- “I'm gonna make this hurt!”
Killain is the main antagonist from Spies in Disguise. He is a powerful technology-based terrorist mastermind with a left bionic arm and is the arch-enemy of Lance Sterling.
He was attacked by Lance and the spy network in Afghanistan. The attack caused his left hand and half of Killian's face to burn off, forcing him to repair both of them with technology.
He has light black hair with blue eyes. He often wears a black plain suit on top of a smooth blue shirt. He has a robot hand for his. When his hologram isn't covering up his burnt off side of the face, a white teconology-esc skull with a red-eye.
- His original name in the production was going to be "Tristian McFord".
- Killian resembles to Dr. Claw from Inspector Gadget.