This is Killcannon from the TV show. For the comic character, see Killcannon.
You guys think you might have bitten off more than you can chew? That building has a hole in it, look! 
- —Killcannon[src]
History
Killcannon is a supervillain with a durable battlesuit and a laser cannon arm. He was the first villain defeated by Mark Grayson after the latter had received his superhero outfit. It was to Killcannon that Mark revealed his superhero name to be "Invincible."
Attributes
Abilities
Paraphernalia
Equipment
Durable battlesuit
Weapons
Laser cannon arm
Trivia
- Voiced by Fred Tastasciore.