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You can't see me!

This character has no official visual representation whatsoever — yet, at least.

Crankhandle was a Cybertronian who served as Ratchet's medical assistant. On one occasion, the pair were examining a robot named Coldwelder who had displayed erratic behavior. Upon discovering a foreign object in his skull casing, Ratchet had Crankhandle summon Cogwheel so she could provide a second opinion.

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