Yeah...Wheelie. You remember him from the cartoon, right?
No?
Here he is...

Remember now? He's annoying little Autobot that spoke in rhymes. Well, he's apparently in the new flick and he looks like this...

Remember now? He's annoying little Autobot that spoke in rhymes. Well, he's apparently in the new flick and he looks like this...
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OK, so maybe Skullgrin doesn't look human, but Transformers stopped making sense after a giant planet turned Megatron crazy.
The other, more probable possibility, is that Michael Bay saw Battlestar Galactica and thought, "oh, hot robots are awesome!"