|Living:||Secrets of the Clans|
Lightningtail is a cat with an unknown description and gender.
In the Field Guide ArcEdit
- Lightningtail is the one of the oldest ancient ThunderClan cats. She/he is the very first ThunderClan deputy, serving under the leadership of Thunderstar. It is unknown what happened to Lightningtail, but she/he is eventually succeeded by Owleyes, who later becomes Owlstar, the second leader of ThunderClan.