Janna (the wind goddess of Zaun that Jinx mentions in S2)

Jarvan IV (king of the classic medieval good guy country)

Jax (ancient warrior who fights against eldritch abominations with a lamppost)

Jayce (you know this dumbass)

Jhin (the joker but a pretentious art student)

Jinx (you know this bitch)

Kai’sa (survived the eldritch horrors only to become one herself)

Kalista (a spirit of vengeance)

Karma (basically the avatar)

Karthus (so obsessed with death that he purposely turned himself into a ghost)

Kassadin (determined to avenge his family via killing chaos gods)

Katarina (Noxus assassin in a star crossed romance with a enemy knight)