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"You can rely on my loyalty until the day I join StarClan, and you must believe that I will live and die to protect ThunderClan. But I don't want to change my name. I have always been Millie, and I see no shame in it."
— Millie to Firestar in Dark River, page 86
Current: ThunderClan[1]
Past: Kittypet,[2] Loner[3]
Blossomfall, Briarlight
Mentor(s): Graystripe (unofficially)[9]
Book Appearances
Living: Cats of the Clans, The Lost Warrior, Warrior's Refuge, Warrior's Return, The Sight, Dark River, Outcast, Eclipse, Long Shadows, Sunrise, Hollyleaf's Story, The Fourth Apprentice, Fading Echoes, Mistystar's Omen, Night Whispers, Sign of the Moon, The Forgotten Warrior, The Last Hope, Dovewing's Silence, Bramblestar's Storm, The Apprentice's Quest, The Ultimate Guide

Millie is a small,[10] short-furred light gray tabby she-cat[11] with blue eyes[12] and a torn ear.[13]


In the Super Editon Arc

Bramblestar's Storm

Millie greets Leafpool, bounding over to her. She says that Briarlight’s exercises are really helping her chest and admits she was afraid her daughter wouldn’t survive the greencough. Bramblestar notes he understands why Millie was anxious about her daughter as the greencough killed healthy warriors. Leafpool tells Millie that Jayfeather is the one she should thank as he always keeps thinking up exercises for her daughter. Leafpool says she is gathering medicine to make a mixture for the she-cat, including catmint. Millie asks if they still have catmint, and Leafpool reassures her that they do. During a patrol, Berrynose tells Millie to renew the scent markers along the WindClan border. Amberpaw falls into the stream and after she gets out, Millie helps her clean her fur. Later, Squirrelflight sends Brightheart on hunting patrol to the ShadowClan border as Millie saw a squirrel nest the day before. Brightheart asks who to take, and the deputy mentions Millie of course. Brightheart bounds away to get Millie from her den. When the patrol returns, they report ShadowClan trespassers. Millie, with a lash of her tail, mentions that it isn’t the first time this has happened. She asks what they will do with ShadowClan.
Millie praises Briarlight, stroking her with her tail. She tells her daughter it won’t be long until she is better again. Briarlight replies with less enthusiasm before watching Millie head to the fresh-kill pile. During a storm, Millie tells Bramblestar that her daughter Briarlight is worried about falling trees and can’t escape any that falls. Bramblestar thinks Millie is more scared for her daughter than anything else, but agrees to talk to her. Millie takes Bramblestar to the fresh-kill pile where Briarlight is and the leader lets the she-cat sleep in his den. Millie is thankful for this and helps with carrying her daughter up to the leader’s den. Bramblestar tells the mother its best she stays with Briarlight, and Millie reassures they will be fine and thanks him again. The camp floods that night, and the Clan has to evacuate. Millie stresses about Briarlight’s safety again, asking how they are getting her out since she cannot swim. The Clan climbs up a cliff face to reach safety, but Millie is worried as Briarlight cannot climb either. Bramblestar promises to get her daughter out to safety first. They stay behind until everyone else is out and safe. Millie wants to stay and help Briarlight escape, but Bramblestar insists she has to climb out and others will stay behind to help Briarlight. Millie refuses, and Bramblestar thinks he understands her worry but it isn’t helping. Leafpool and Briarlight urges the she-cat to go, and Millie tells Bramblestar if her daughter dies, she will never forgive him. Bramblestar promises that she will safely get out or he will die trying. Millie holds her gaze a little longer before climbing up to safety.
When they do get Briarlight to safety, Millie screeches her daughter’s name as she runs up. She asks if she is okay, and Briarlight reassures she is and that she was well taken care of. Millie deeply thanks Bramblestar, incredibly relieved. She, Briarlight and Graystripe wait beside a beech tree as the Clan gets ready to move again. Briarlight thinks she is giving a lot of trouble, but Millie insists she isn’t. Millie seems anxious about her daughter’s depressed mood. The Clan settles in the tunnels and make a temporary camp. Millie spends a lot of the time tending to Briarlight, grooming her and even complaining to Daisy there is not enough bedding for Briarlight. Daisy tells the she-cat there is not enough and they’ll try to find some more later. Millie gives an annoyed huff and takes what Daisy can spare. The bedding isn’t that good anyway because it is too wet and causing Briarlight to have a cough. Millie is even more concerned for her daughter, scuffling her claws on the ground. After a patrol rescues a kittypet called Minty and brings her to camp, she struggles to adjust and settle even for the night. Millie walks from Briarlight’s nest to sit beside the she-cat, explaining how she was once a kittypet and took her time to learn how to live in the wild, so she knows how she feels.
Minty is surprised, asking if her Twolegs left her or she chose to live in the wild. Millie explains she chose to live with Graystripe and ThunderClan, and insists it was worth giving up the comfortable life of a kittypet. Minty asks if Millie ever wished to return to the life of a kittypet. Millie says she doesn’t want to change anything, except that Briarlight was never injured. Millie explains that she will never leave ThunderClan but she will not forget there is another way to live too. Bramblestar, who has overheard the conversation, is surprised to hear this as he never knew Millie felt this. He admits to himself that she isn’t one of his favourite cats because of all her fussing over Briarlight, and decides to show more respect to the she-cat. Later, Millie emerges from a tunnel with Briarlight, explaining that her daughter is getting sores from lack of bedding and asks Bramblestar to fix it. Jayfeather agrees with Millie that she needs proper bedding to sleep on, not stones. Later on, Minty is refusing to eat a sparrow despite her hunger. Millie coaxes the kittypet to try it, and recalls her first try of wild prey. She explains it was a bit scary but she would never go back to kittypet food now.
While Millie tries to help Briarlight with her exercises, Bramblestar notes that the brown she-cat is still coughing and nothing Millie does is helping. As Minty worries about her Twolegs not being able to find her, Millie tells the kittypet that the floods will not recede for another quarter moon and insists she is safe right now, safer than on another Clan’s territory. Millie tells her that they can keep an eye on the water level and go home when it lowers, but not before when it’s still dangerous. After the kittypets have a hunting session, Frankie shows Millie, who is again helping Briarlight with her exercises, the shrew he and Dovewing caught. Millie compliments the kittypet, and says this is proof it takes time to settle into Clan life. As the Clan get agitated about other kittypets invading the forest, Millie reassures Frankie and Minty that they do not mean them and they just get excited like that sometimes. Later, Millie seems anxious and for once not about Briarlight. She asks clanmates if they know where Frankie is, but the kittypet soon turns up. Millie asks where he was, stumbling over to meet him.
After Bramblestar and Frankie go missing, they return and Millie asks if they are mouse-brained, seemingly frustrated. She asks if they are aware how worried they were or cared. She seems to calm a bit when she sees how mucky and tired the toms are and asks what happened and if they are hurt. It turns out they found Benny, Frankie’s brother is dead. Millie tells the grieving kittypet he couldn’t have done anything and now at least knows what happened. Millie is soon on a border patrol where she rushes back to camp, agitated. She tells Bramblestar they found fresh scents of badgers. She explains the scent is at least two scents, across the top border towards ShadowClan. Later, Purdy asks what the Clan is yowling about and asks to take on the badgers. Millie reassures it’s just Briarlight and asks Graystripe to look at what Briarlight can do. Briarlight is doing her exercises as the two mates stands close together, fur brushing. When the water recedes from ThunderClan camp, Millie is the one to announce this to the Clan. When Graystripe has his elder ceremony, he mentions he could never had returned to ThunderClan without Millie’s help. Millie tells her mate that she is not far behind, giving a look of love.
When Minty is about to return to her Twolegs, Millie tells her that she can always visit whenever she likes. Millie comes along to escort Minty back to her Twolegs since she was always very nice to the kittypet. On the way past ShadowClan, Millie agrees that they do not want to be in trouble with them as Rowanstar could still be angry about ThunderClan helping fight the badgers. When they reach the Twoleg dens, Millie notes they are empty and damaged but expects the Twolegs will clean it up and fix it like they are doing with the hollow. A Twoleg appears and the wild cats duck to hide. They watch as Minty reunites with her Twolegs as Millie looks thoughtful. Dovewing asks her if she is thinking of her own Twolegs and notes she really must miss them. The she-cat admits she did but not that much now. Millie explains she sometimes dreams of her Twolegs and wonders if they dream of her. The warrior then shakes her fur and urges the patrol to return home.

In the Power of Three Arc

The Sight

Millie and Graystripe return to the Clans during a Gathering. Her voice is described as having a hard edge, which surprises many of the cats who thought all kittypets had soft voices, like Daisy. Blackstar glares at Millie, but she holds his gaze until Blackstar has to look away. Hollypaw is impressed. ThunderClan takes the pair in without hesitation, but the other Clans don't really agree, saying that ThunderClan is half rogues and Clans cats. On their return to camp, Jaypaw scents that Millie's pad is infected. She is later treated by Leafpool and Hollypaw. Hollypaw describes the infected cut as being swollen, bloody, and having pus around it. Leafpool removes a thorn from Millie's pad.
Later, Millie and Graystripe fight side by side against ShadowClan in a border battle that demonstrates Millie's fighting skills. Graystripe pulls a ShadowClan warrior off of Millie, and she tells Graystripe to go help Hollypaw and that she can take care of herself, and then delivers a blow that sprays the ShadowClan warrior's blood over the forest floor.
Afterwards, when greencough rages through the camp, she explains to Graystripe, Firestar, and Brambleclaw that she'd gotten medicine from the vet that kept her from getting sick. Firestar says that the vet has done him a favor by giving him a healthy warrior, which makes Millie glow with pride and Graystripe purr for the praise of his mate.

Dark River

At a Gathering, Whitetail, a WindClan warrior, insults Millie, calling her a kittypet, but later thanks her for sharing prey during the daylight Gathering. Whitetail's apprentice, Breezepaw, had followed his mentor to thank Millie, but didn't respond. She then follows her Clanmates back to camp.
When Firestar performs her warrior ceremony, she says that she'd like to keep her name as it is, instead of taking on a Clan cat name, as she had always been named Millie. Brook and Daisy agree with her and congratulate her on keeping her kittypet name, though some cats think she should have accepted a warrior name.


Millie has moved into the nursery, pregnant with Graystripe's kits. She, Ferncloud, and Daisy relax inside the nursery as Hollypaw brings in a blackbird; Millie is resting sleepily in her nest at the time. Ferncloud has her kits, Icekit and Foxkit, go get some prey for themselves and for Millie, and Millie thanks Ferncloud, while Ferncloud purrs and tells her that it's time the two became apprentices, and that they need mentors to look after them.
Later, Millie and Daisy share tongues in the sunlight outside the nursery, while Rosekit and Toadkit play around them.


Millie's belly is very large and swollen, suggesting she is heavily pregnant with Graystripe's kits. In the middle of the book she gives birth to their kits, Briarkit, Blossomkit, and Bumblekit, with the assistance of Leafpool and Jaypaw. Graystripe tells Jaypaw that if he has to save Millie or the kits, he should save Millie, most likely out of fear of his mate dying, like Silverstream did. Even though the delivery goes well, Millie says while in labor that she is never going to have kits again if giving birth to kits is that hard. When Jaypaw announces the names of the kits, Dustpelt comments scathingly about them having proper Clan names, jeering at the fact Millie kept her kittypet name. Graystripe defends her fiercely.
She is seen in the nursery most of the time, protecting the kits. During the battle between the four Clans, she goes and hides in Firestar's den with her kits, although her smallest kit, Blossomkit, goes to stay with Mousefur. The kit and elder seem to have bonded already, so Millie trusts the elder with her kit. After the battle, Millie catches whitecough, much to the fear of Graystripe.

Long Shadows

Millie's whitecough that she developed in the previous book turns into greencough. Briarkit eventually catches the cough as well and both of them are moved to the abandoned Twoleg nest in the back of ThunderClan territory, with other sick ThunderClan cats. It is also noted that when they were going into the Twoleg nest, Briarkit looks dead, and when cats are delivering herbs, the young kit keeps wailing and crying for her mother.
Millie, at the time, is almost ready to join StarClan, but Silverstream allows her to live, for she does not want Graystripe's heart broken a second time. Graystripe and the other healthy kits miss her most of the time while she is recovering.
Millie and Briarkit are present when Firestar loses a life, but they do nothing to help, as they are too sick to even get up. Finally, when Firestar leaves the Twoleg nest with Millie and Briarkit, both looking better, and Briarkit begins to bounce around in a pile of leaves.


Millie comforts her son Bumblekit when he is frightened of Sol, and tells him Sol is far away. It is noted that both Millie and her daughter Briarkit are still recovering from greencough, as Jayfeather takes some tansy to them. She is later seen grooming her three kits, and occasionally she coughs.
Jayfeather comes to check the queens and kits for ticks, and Millie thanks him in relief, saying she probably has a couple somewhere. Later, when Brambleclaw's patrol comes back with a captured Sol, she, Daisy and Whitewing circle the kits protectively.
Her kit, Briarkit, strays too close to a crack in the cliff, and nearly gets bitten by a concealed adder. After Honeyfern rescues her, but sacrifices her life in the process, Millie hurries her kit to Leafpool to make sure she's all right. When Briarkit is deemed healthy but in shock, Millie asks what action will be taken against the adder, saying that more cats might die. She and Daisy warn their kits not to go near that part of the cliff again, and later sternly warn them not to touch the deathberries being put out.

In the Omen of the Stars Arc

The Fourth Apprentice

Millie and Graystripe's kits have become apprentices, and are now called Briarpaw, Blossompaw, and Bumblepaw.
Millie is seen sharing a vole with her mate, Graystripe. She comments on the long drought, saying she doesn't know how much longer it can go on, or how many days until it will rain again. When Dovepaw mentions big brown animals blocking the stream, and no cat knows what she's talking about, Millie suggests she might be confused because of the heat, and asks Dovepaw if she had a dream about it. She and Graystripe eventually go to the warriors' den after the discussion is over.

Fading Echoes

Millie is first seen to be overprotective of her kit when Squirrelflight yells at Blossompaw to get out of the Great Oak right before a Gathering. Squirrelflight says that Blossompaw is old enough to know better, but Millie is angry because Blossompaw limps for a few moments after climbing down. Later, Millie is terrified and saddened for her other kit, Briarpaw, when she is trapped when the tree collapsed in the camp and broke her spine. She becomes hysterical towards Jayfeather, lamenting over the condition of Briarpaw.
Afterwards, she lays for a long time at her kit's side, and is in a depressed and worried condition for a while. She becomes enraged at Jayfeather when he brings back news from ShadowClan, that they had a cat in the same condition who died. Squirrelflight comes over when Millie shoves Jayfeather out of the medicine den, and helps clear up the misunderstanding that Briarpaw will die. Millie is slightly reassured by this, but still worries a little too much about Briarpaw.
Millie spends a lot of time with her injured kit, helping her with exercises and keeping her company. When Briarlight has a short breakdown, she desperately tries to cheer her up with encouragement, telling her that at least she could still share a mouse with her littermates.

Night Whispers

When Lionblaze is exiting the warriors' den, he is careful not to wake her. She is seen in Jayfeather's Dark Forest vision, lunging at Graystripe's killer, but a shadowy cat rips out clumps of her fur and drags her into the darkness.
Millie sees Brambleclaw's patrol coming back from a border patrol for the new ThunderClan border. When Dustpelt says that ShadowClan hasn't set their scent line on the border yet, she declares that they aren't recognizing the new border.
When Briarlight refuses to eat, she gets very worried and argues with Jayfeather about it. Also, when she later argues with Jayfeather about making Briarlight exercise too much, she stops when Jayfeather asks Millie if she wants her daughter to die, rather than be able to enjoy the happiness in merely living.

Sign of the Moon

When Hazeltail reports to Millie that Blossomfall had been limping recently, Millie, seeming not to care, brushes it off and returns her attention to Briarlight.
When Blossomfall and Ivypool return from their adventure in the tunnel, Whitewing fusses over Ivypool, saying that she does not want to lose another kit out of her sight, then calls Millie over to see her daughter. Almost as soon as Millie approaches Blossomfall, she snaps at her, telling her that she could have been hunting and remarking that Briarlight would give anything to feed her Clan. Brackenfur tells Millie that they returned, and that's the only thing that matters, but Millie snarls at him. This leads to Blossomfall feeling neglected, to the point that she is easily lured into the Dark Forest where she feels as if she gets more attention.

The Forgotten Warrior

Millie is first seen when she is sharing a vole with Graystripe beside the fresh-kill pile.
When Sol arrives at camp, she is sitting with Sandstorm, Firestar, and Graystripe. It is noted that they are looking distinctly awkward with Sol's presence.
Later, Millie leads a patrol consisting of Toadstep, Ivypool, and Hazeltail. When Ivypool says she needs to clean her fur, Millie states her fur is fine, and to concentrate on what they were doing. When her patrol meets Sol heading to the ShadowClan border, she says that she doesn't trust him, and says that she doesn't think he's changed by declaring that tabbies didn't change their stripes.

The Last Hope

Millie is first mentioned when she is lying by the warriors' den, calling for Graystripe to bring her a shrew when he is going to the fresh-kill pile. When Briarlight describes the new exercise Millie has her doing, it involves dangling from the fallen tree branches by her forepaws when Millie and Whitewing hoist her up.
Millie is seen on a border patrol with Cloudtail, Graystripe and Squirrelflight. When Lionblaze bumps into Squirrelflight, he decides to join the patrol, and asks where they're heading. Millie tells him that they were heading to the ShadowClan border. When Cloudtail stops at the border, Millie stops right beside him, her tail bushed up. She wonders if they were planning an invasion. Lionblaze leads the patrol to the edge of the border with Millie pounding behind him.
Millie goes to visit her daughter in the medicine den but Jayfeather doesn't grant her access because as of then, Jayfeather was the only cat allowed inside the den. Millie tenses, and starts twitching her tail in annoyance, but doesn't say a word. She wanted to keep Briarlight from getting sick as much as Jayfeather had. When Jayfeather leaves the medicine den, Briarlight is told she may have no visitors, and that included Millie.
She is seen following Brambleclaw and Graystripe into camp with Molepaw, Rosepetal and Dovewing right behind her. When her mate says he should have stayed at the border, she asks him what he could've done alone. Millie is also seen following Jayfeather out of the medicine den with Briarlight. Millie rushes to help Jayfeather during the battle, by helping him haul a bramble tendril.
Dovewing comes and helps Millie and Squirrelflight push back a cluster of Dark Forest warriors in the battle. She bats at a cat's muzzle while Dovewing nips the cat's hind legs.

In the A Vision of Shadows Arc

The Apprentice's Quest

Millie has now become an elder. As Leafpool worries about catmint, Jayfeather reminds her that Millie and the other elders are just fine and says that she coddles them too much. Alderpaw and Sparkpaw pick ticks off Graystripe and Purdy, and Sandstorm and Millie wait for their turn. As Graystripe complains about his ticks when Alderpaw stops, Millie puts in her impatience for her turn, commenting that they have been waiting for moons. Later on, Sandstorm tells Alderpaw that Millie has gone for a walk with Graystripe. When Bramblestar calls for a Clan Meeting, Graystripe and Millie are seen together outside the elders’ den. Bramblestar announces about Alderpaw’s quest and that Sandstorm will be joining. Both Millie and Graystripe look equally as shocked at this.

Thunder and Shadow

In ThunderClan camp, Graystripe comes to the medicine den and asks for comfrey. Leafpool asks if his joins are aching again, and the gray elder answers that Millie's do. Leafpool rolls up a wad of leaves and offers to check on her, but Graystripe objects that she is only aging. Later that day, as Alderpaw is about to visit ShadowClan, he watches Graystripe wash comfrey pulp into Millie's fur by the honeysuckle wall of the elders' den. Millie's eyes are half-closed in pleasure as her mate works the herb into her spine, and Graystripe catches Alderpaw's eye. The elder offers to help collect more comfrey before the cold comes in, stating that he is too slow for mice, but can stalk herbs, yet Millie purrs and tells him that he can hunt mice as well as any warrior. Graystripe asks why he should bother when he can let the youngsters catch them for him.
When Squirrelflight's patrol to look for SkyClan comes back unsuccessfully, Alderpaw asks why they won't try to find them, and if Bramblestar doesn't care about the Clan, but Squirrelflight orders him to keep her voice down; several cats are seen in the clearing, including Purdy, Graystripe, and Millie, who lounge outside the elders' den.
Later, during Sparkpelt's warrior ceremony, Graystripe murmurs to Millie that he would have thought Bramblestar would choose Sparkfire for her warrior name, due to her great resemblance to Firestar.
When Twigkit and Alderpaw come back from trying to meet with Needlepaw and Violetkit at night, Twigkit states that she wants to be important, but Alderpaw comforts her that she will be, and tells her to look at Bramblestar and Squirrelflight, or Graystripe and Millie, and notes that all cats find their own places in the Clan.
As ThunderClan are on their way to a Gathering, Millie is seen waiting patiently with Poppyfrost and Graystripe behind the apprentices to cross the tree-bridge.
Later, as a ShadowClan patrol enters the ThunderClan camp with news of what happened to the missing Twigpaw, Graystripe and Millie are seen standing outside of the elders' den.

In the Lost Warrior Arc

The Lost Warrior

She makes her first appearance as a kittypet who befriends Graystripe and shows him a forest when he is homesick. She was the first friendly cat Graystripe had met since the Twolegs captured him. Millie becomes curious about Clan life after Graystripe explains a lot of it to her, and she wants him to teach her about being a warrior. Graystripe does, and Millie learns how to hunt and fight like a Clan warrior. Her skills come to use when she and Graystripe are confronted by Duke, and two other kittypets. A fight breaks out, Graystripe battles with Duke while she wrestles with the other two kittypets. Soon after the battle is over, Millie and Graystripe win.
When Graystripe decides to leave to go rejoin the Clans, Millie, who had helped to convince him of the idea, doesn't want to leave her Twolegs who she thought would be upset if she left. She eventually changes her mind a few days after Graystripe leaves. Millie finds him, sick and hallucinating. While he is hallucinating, he calls out the name Silverstream. When Graystripe is healthy again, she asks him who Silverstream was. Graystripe sadly tells Millie that Silverstream was his mate and died bearing his kits. The two then embark on their journey to find the Clans.

Warrior's Refuge

In the beginning, she and Graystripe are sitting near a big Thunderpath and have difficulty crossing it; she freezes in the middle of the second road. Graystripe goes back for her and grabs her by the scruff, dragging her out of the way of a monster. They fall back off the highway and into a cornfield. A large monster (a corn harvester) scares them, causing them to run in opposite directions. She injures her eyes on the sharp corn leaves, and is found a short time later by Graystripe and two barn cats named Husker and Splash. Husker is reluctant to let them stay, but Moss, Husker's mate convinces him to let them stay so Millie can heal.
The next day, when Graystripe goes out to hunt mice, he is chased by the Twoleg dogs, and is trapped at a dead end. Millie saves him by speaking to the dogs in their own language and telling them to go away. Graystripe is awestruck that Millie can speak dog, and she ends up teaching it to all the barn cats. That night, Graystripe asks her if she misses her housefolk, and she says her place is with him now, not directly answering whether she misses her Twolegs or not. She helps Graystripe introduce the Twolegs to Husker and the barn cats and shows slight hesitancy whilst leaving them behind.
After they travel for a while and at the end of the book, she and Graystripe find the old forest and ThunderClan camp destroyed.

Warrior's Return

Graystripe and Millie continue on their journey. It begins where Warrior's Refuge ended, with Graystripe and Millie staring in shock down at the old ThunderClan camp, which was destroyed. With Graystripe ready to give up, Millie forces him to continue. They meet Ravenpaw and Barley at the barn, and stay there for a little while. Barley offers to catch Millie a mouse for her, but she replies that she was capable of catching her own. The two cats direct them to where the Clans were headed many moons ago. Graystripe offers for Ravenpaw to go with them, but he says his home is at the barn. When Millie and Graystripe leave, Barley seems disappointed at Millie leaving; it has been speculated that Barley had a crush on her.
They had many arguments along their way to find the Clans. As they leave Ravenpaw and Barley, they pass a highway; the place where WindClan went into hiding. They then come across a Twoleg den as Graystripe says he's hungry. Millie looks over to the Twoleg den and sees a cat flap. She tells Graystripe that the Twoleg nest may have food. Graystripe then argues with Millie saying that warriors don't eat Twoleg pellets and that they should hunt instead. They then had to pass a sheep farm. Millie questions him why they can't just go around. Graystripe says that it'll take too long and that they'll be using a path made by Twolegs.
On the journey, they face many troubles together. When they meet Diesel, a handsome tomcat with black zig-zag tabby stripes, Graystripe feels as though Diesel likes Millie and that he has to compete for her. After Graystripe gets his shoulder hurt by getting hit by a Twoleg monster, Millie and Diesel take care of him until he is ready to leave. Graystripe is also noted to be a little irritated with her always being around Diesel or otherwise acting as a medicine cat and telling him to rest.
Millie suggests that they ride on a Twoleg monster to the Sun-Drown-Place because his shoulder is still sore, and Graystripe agrees. When at a rest stop, they are attacked by kittypets and don't recognize Millie as one of their own. She holds up well against the kittypets and realizes that she has moved forward from being a kittypet.
Finally, they reach sun-drown-place and head towards the lake. They can see the Clan cats at a Gathering on the Island. Graystripe tells Millie how he feels and asks her to be his mate. Millie accepts by saying that was what she had wanted ever since she first laid eyes on him. They walk together onto the Island, just in time for the Gathering. Everyone turns and sees the two of them standing together ready to speak and Graystripe introduces Millie to the Clans.

In the Field Guide Arc

Cats of the Clans

Millie is featured in this guide on the same page as her mate, Graystripe. She is first introduced as the cat who Rock says that he doesn't think ThunderClan realizes just how much they owe her for bringing their leader's best friend and deputy back. Rock says that it was her determination that got them out of Twolegplace, and her encouragement that made Graystripe continue his search for the Clans, from the forest, to the lake.
Rock hopes that Graystripe will never forget how much she has given up for him, and that she has traveled a long way from her home, in more ways than one.

The Ultimate Guide

Millie has her own page shared with Graystripe. It is mentioned that while with Twolegs, Graystripe met Millie, who was fond of him enough to travel with him to the lake. Her determination is what helps the two escape Twolegplace, and her encouragement is said to help Graystripe find his Clanmates. Millie is noted to have quickly learned to hunt prey and fight, like a warrior, but refused to be ashamed of her upbringing or take a warrior name. This is said to make certain cats question her loyalty to the warrior code, but if they ever did, it wouldn't be in Graystripe's presence. In Briarlight's article, she is said to be the oldest of Millie's and Graystripe's kits.

In the Novellas

Hollyleaf's Story

Millie is only briefly seen when Hollyleaf is checking in on ThunderClan. When Briarlight comes out of Jayfeather's den, Millie scolds her, saying that she shouldn't be dragging herself this far. Although Briarlight is annoyed by this and wants to do things on her own, Millie does not. She says that she wishes she could do everything for her daughter.

Mistystar's Omen

Millie does not formally appear in Mistystar's Omen but is listed in the allegiances.

Dovewing's Silence

Millie walks up to Dovewing and nudges her shoulder and asks her if she is hurt. When Dovewing says no, she leads her over to Ferncloud, Hollyleaf, Firestar, and Mousefur. 
Right after Sorreltail dies, Millie says that she'll go to him and she is seen walking into the nursery towards Brackenfur.
The next morning when Firestar, Ferncloud, Hollyleaf, and Mousefur are being buried, Millie is seen carrying Firestar along with Sandstorm, Squirrelflight, and Graystripe. She is heard murmuring to him that they were born as kittypets and that they were good friends.
Jayfeather is woken by coughing and sees Dovewing on guard duty. He tells Bramblestar to have someone else on guard and Millie volunteers because of the fact that she wasn't sleepy.
When Jayfeather says that Hazeltail has greencough, Millie rushes over and says that Briarlight can't stay in a den with a sick cat. When Briarlight looks out Millie rushes up to her and says that she can't stay in the medicine cat's den anymore.


Interesting Facts

  • Millie was designed after one of Vicky's co-worker's cats. The co-worker is a big fan of Millwall Football Club, which Millie is named after.[14]
  • If Millie believes in StarClan, that's where she'll go when she dies.[15]
  • Millie possesses the ability to speak to dogs.[16]
    • When asked about this ability, Vicky has stated that she hasn't forgotten about Millie's skills, but since the Clan cats rarely encounter dogs, her skill hasn't been needed. She also said that it's much more important that the Clan cats stay away from dogs, and there would be no inter-species alliances.[17]
  • Kate has said on her Twitter she believes that when Graystripe goes to StarClan, he would surely pick Silverstream over Millie.[18]
  • Millie's reaction to Briarlight's accident is what caused Blossomfall to react how she did. When asked, Vicky replied that Millie neglected her other kits, because she was desperate to care for Briarlight.[19]
    • Kate confirms that Millie still loves Blossomfall and Bumblestripe and wishes Briarlight weren't injured so she could spend more time with them.[20]
  • She is one of few ThunderClan cats to keep her old name.[11]


  • In Warrior's Return, she is depicted with lighter colored paws, belly, and muzzle.[21]
  • Although appearing in The Fourth Apprentice,[22] she is accidentally excluded from the allegiances.[23] This is rectified with the paperback release, however.
  • In Cats of the Clans and The Ultimate Guide, she is depicted with green eyes.[24][25]
  • In Long Shadows, Millie catches greencough,[26] despite having previously mentioned to Firestar that she can't get sick.[27]
  • There is some confusion over Millie’s pelt color. Since her first appearance in The Sight, she has been either called silver or gray. She is either called silver or gray until Eclipse, then called gray throughout. Here is a list of when she is called either gray or silver.

Character Pixels

Please do not edit this gallery




Graystripe:[52] Living (As of Thunder and Shadow)


Briarlight:[53] Living (As of Thunder and Shadow)
Blossomfall:[53] Living (As of Thunder and Shadow)


Bumblestripe:[53] Living (As of Thunder and Shadow)


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    = Male

    = Female

    = Gender Unknown


"Right off the bat, Millie's awesome. That cat is one fast learner!"
—Graystripe's thoughts about Millie when they fight Duke and his friends The Lost Warrior, page 69

"It just sounds like such an adventure, every day, you don't know what to expect! Not like my life here at all., it's not like here. Not one bit."
—Millie about Clan life The Lost Warrior, page 66

"That's part of why I tracked you down. I wanted to be as loyal to you as you are to your Clan. I know I can't exactly miss a life I've never known, Graystripe, but...I think sharing your life and your the best journey I could possibly imagine."
—Millie to Graystripe when she explains why she followed him The Lost Warrior, page 92

"You know, Graystripe, I never knew life could be this way. All this space... All this freedom. I could keep traveling with you like this forever."
—Millie to Graystripe Warrior's Refuge, page 19

"No. My home is with you now, Graystripe. Wherever that may be."
—Millie to Graystripe Warrior's Refuge, page 76

Graystripe: "I've been trying to figure out how to say this...or when to say this...for days now. Millie, I...I know I've been hard to deal with. And I know this life can be hard. But I couldn't have made it here without you. You saved my life, but...more than saved my soul. You found me when I was lost, and you brought me back to who I really was. I've already said I want you to join ThunderClan with me, but I need you to know how I feel...And I hope you'll feel the same way. Millie...I want you to stand by my my mate."
Millie: " be with you...that's what I've wanted since I first laid eyes on you."
—Millie and Graystripe confessing their love Warrior's Return, page 87

Ravenpaw: "Those are ThunderClan hunting techniques, aren't they?"
Graystripe: "She learned quickly."
Barley: "I'm impressed. She'll fit in with your Clan well, won't she?"
Graystripe: "If we can find them...yes, I expect she will."
—Ravenpaw, Barley, and Graystripe observing Millie's hunting skills Warrior's Return, page 28

"I have trained Millie as a warrior! A kittypet would never have survived such a long journey."
—Graystripe defending Millie The Sight, page 148

Graystripe: "Do you still think you made the right decision, coming with me to the Clan?"
Millie: "Wherever you are is the right place for me to be."
—Graystripe asking Millie if she thinks she made the right decision The Sight, page 330

"Millie is right. It doesn't matter what she's called. It only matters how she acts, and I know that she will always put her Clan first."
—Graystripe defending Millie Dark River, page 86

Millie: "If your warrior ancestors are so powerful, why don't they cure her? If this had happened in my old home, my housefolk would have fixed her."
Graystripe: "Millie? Is that what you really think?"
Millie: "I don't know what to think. I only see my kit, broken and helpless, struggling through each day, with death stalking her like a fox...."
Graystripe: "But she's alive. She's here with us."
Millie: "She has to watch her littermates living the lives of warriors, while she just yowls and coughs and drags herself to and from the fresh-kill pile!"
—Millie's distress over Briarlight Night Whispers, page 97

"I wouldn't change a thing. Except that I wish my daughter Briarlight hadn't been injured. I'll never leave ThunderClan, but I'll never forget that there's another way to live, either."
—Millie when telling Minty she used to be a kittypet Bramblestar's Storm, page 109

References and Citations

  1. Revealed in Dark River, page 85
  2. 2.0 2.1 Revealed in The Lost Warrior, page 49
  3. 3.0 3.1 Revealed in The Lost Warrior, page 96
  4. Revealed in Dark River, page 86
  5. Revealed in Dovewing's Silence, chapter 2
  6. Revealed in Outcast, page 86
  7. Revealed in Outcast, page 13
  8. Revealed on Kate's Blog
  9. Revealed in The Lost Warrior, page 61
  10. 10.0 10.1 Revealed in The Sight, allegiances
  11. 11.0 11.1 11.2 Revealed in The Sight, page 143
  12. 12.0 12.1 Revealed in Dark River, allegiances
  13. Revealed in The Last Hope, page 268
  14. Revealed in Erin Hunter Chat 4
  15. Revealed in Erin Hunter Chat 3
  16. Revealed in Warrior's Refuge, page 49
  17. Revealed on Vicky's facebook
  18. Revealed on Kate's Twitter
  19. Revealed on Vicky's Facebook.
  20. Revealed on Kate's blog
  21. Revealed on the cover of Warrior's Return
  22. Revealed in The Fourth Apprentice, page 67
  23. Revealed in The Fourth Apprentice, allegiances
  24. Revealed in Cats of the Clans, page 11
  25. Revealed in The Ultimate Guide, page 16
  26. Revealed in Long Shadows, page 56
  27. 27.0 27.1 Revealed in The Sight, page 310
  28. Revealed in Eclipse, allegiances
  29. Revealed in Eclipse, page 154
  30. Revealed in Thunder and Shadow, allegiances
  31. Revealed in The Sight, page 147
  32. Revealed in Outcast, allegiances
  33. Revealed in Long Shadows, allegiances
  34. Revealed in Long Shadows, page 177
  35. Revealed in Long Shadows, page 241
  36. Revealed in Sunrise, allegiances
  37. Revealed in Fading Echoes, allegiances
  38. Revealed in Fading Echoes, page 104
  39. Revealed in Fading Echoes, page 155
  40. Revealed in Night Whispers, allegiances
  41. Revealed in Night Whispers, page 150
  42. Revealed in Sign of the Moon, allegiances
  43. Revealed in The Forgotten Warrior, allegiances
  44. Revealed in The Forgotten Warrior, page 71
  45. Revealed in The Last Hope, allegiances
  46. Revealed in Mistystar's Omen, allegiances
  47. Revealed in Bramblestar's Storm, allegiances
  48. Revealed in Bramblestar's Storm, page 91
  49. Revealed in Dovewing's Silence, allegiances
  50. Revealed in Dovewing's Silence, page Chapter 2
  51. Revealed in Dovewing's Silence, page Chapter 9
  52. Revealed in Warrior's Return, page 87
  53. 53.0 53.1 53.2 Revealed in Eclipse, page 159

Major Warriors characters
The Prophecies Begin Arc FirestarGraystripeYellowfangCinderpeltSpottedleafSandstormCloudtailBluestarTigerstar
New Prophecy Arc BrambleclawFeathertailStormfurSquirrelflightCrowfeatherTawnypeltLeafpoolHawkfrostMothwing
Power of Three Arc LionblazeJayfeatherHollyleafBreezepeltRockSolAshfur
Omen of the Stars Arc DovewingIvypoolLionblazeJayfeatherHawkfrostTigerstarFirestar
Dawn of the Clans Arc Gray WingClear SkyThunderTall ShadowWind RunnerRiver RippleTurtle TailJagged PeakStormBright Stream
A Vision of Shadows Arc AlderheartSparkpeltNeedletailMolewhiskerCherryfallTwigpawVioletpawDarktail
The Lost Warrior Arc GraystripeMillie
Tigerstar and Sasha Arc SashaKenJeanPineShnukyTigerstar
Ravenpaw's Path Arc RavenpawBarley
SkyClan and the Stranger Arc LeafstarBillystormSol
Super Edition Arc FirestarSandstormLeafstarSkywatcherBluestarThistleclawSnowfurGoosefeatherCrookedstarOakheartRainflowerMapleshadeSharpclawEchosongStickYellowfangSagewhiskerBrokenstarRaggedstarTallstarJakeSparrowBramblestarSquirrelflightJessyMoth FlightMicah
Novellas HollyleafFallen LeavesMistystarMothwingCloudstarTigerstarLeafpoolSquirrelflightDovewingBumblestripeMapleshadeGoosefeatherRavenpawPinestarSpottedleaf

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