Rankiss was made by Cherell by mutating a Doom Drone with the same ooze that mutated Dan Lewis and Chris Bradford with a Needle turning him into a super Killer.
R.A.N.K.I.S.S.S fought Kai, Jay, Cole and Zane on the Turbo Shredder and almost defeated them in the battle and turned kai into a stone figure but The others stopped him.
He appeared as a cameo in other comics.
R.A.N.K.I.S.S.S with Samukai, Dogpound and Slithraa joined their master and the Ninja in the war with the deadly six to stop their evil doings and land on the Lost Hex.
- He uses Claws on his hands and Arms.
- He has Medusa eyes which turn people into stone.
- He acts like a Jungle cat.
he appears like a normal Doom Drone but he has 2 eyes and robo arms with spikes on each arm and robo legs.