Kevin was a injected with a growth potion thought to cure Kevin from the radiation from Herb's machine that he went into. But instead is allowed Kevin to grow whenever he wanted, this was supposed to be a prank by Bobert, but this was useful when he fought Berserk Kiryu.

How big is Giant Kevin?

40 Meters

Does he have any powers when he's large?

No, though one power is this size allows Kevin to be immune to EVERYTHING. Not even PX-41 can infect him.

Giant Kevin

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.