Cloudtail (Sets 1-current): Main character. Cloudtail is one of the characters from Warriors.
Atton Rand (Sets 1-current): Main character. Atton is a Star Wars character.
ShadowClan (Sets 1-current): Clan from the Warriors series. ShadowClan's attacked the set of the show.
Kanye West (Real-Life, Appeared in Atton and Cloudtail with Kanye West!)
Neil Patrick Harris (Real-Life, Appeared in How I Met Your Guest Star)
Firestar (Warriors Character, Appeared in Gueststar)