Wheeljack is his own worst enemy. Something of a crackpot inventor, a good half of his creations blow up in his face, and that's just if he's lucky. His constant need to invent increasingly complex devices stems from his desire to improve the Autobots' tech, but as a result he's simultaneously one of the Autobots' greatest assets and problems; for every successful gadget he builds, there's one which requires Ratchet or Hoist to put him (and his lab) back together. But once in a while he strikes gold, which has won him respect from even the Decepticons.

He is, however, not a complete nerd. As good as he is in the lab, Wheeljack is just as amazing on the road: there are few stunts he can't pull off, and he loves to show off his driving skills as much as he does his inventions. He is, however, a little less confident when it comes to flying, which he accomplishes using solid-fuel rocket jets in his forearms.

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