Knuckles the Echidna

Knuckles the Echidna is a character from Sonic the Hedgehog. On Gamegrumps he has become infamous for his glitches in Sonic 06 and Sonic Boom.

In 06, Knuckles becomes stuck to a wall, causing Egoraptor to have a rageful rant.

In Sonic Boom, the Grumps abuse a glitch that allows Knuckles to jump repeatedly for an unlimited amount of time.