|This article belongs to the Classic Continuity|
They are both devilish-like beings with reddish skin. They both have high pitched voices.
Grick has beige beard, eyebrows and hair which comes out of his cap. He has a long nose and spiked ears. He wears a beige long sleeved shirt under a yellow shirt with red stripes. He has yellow gloves a black belt with brown pockets on it and brown pants. There is a brown bandage on his tail.
Grack 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.
The two brothers have shown to have a twisted and somewhat mischievous sense of humor whenever something happened.
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Powers and Abilities
Grick and Grack have the ability to completely disassemble any kind of machinery in mere seconds, fitting to their 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."