|This article belongs to the Classic Continuity|
Grack is a devilish-like being with reddish skin. He only has hair above his ears. He has spikes on his cheeks and a flat nose with a plaster on it. He wears a light brown uniform. He has brown belt, sash, and fingerless gloves. There is a grey bolt on his belt.
Grack is shown to have a twisted and somewhat mischievous sense of humor whenever something happens.
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Powers and Abilities
Grack has the ability to completely disassemble any kind of machinery in mere seconds, fitting to his gremlin appearance.
Ben 10: Omniverse
- OTTO Motives (first appearance)
- Grick and Grack are based off Tom and Ray Magliozzi, who are known by the nicknames Click and Clack, the Tappet Brothers, who hosted the weekly radio show on NPR "Car Talk." The two of them even make a reference to their famous catchphrase "Don't drive like my brother."
- Grick and Grack are brothers but not twins.[DJW 1]