Grimlock

Grimlock is the name of several fictional robot characters in the Transformersrobot franchise. He is usually portrayed as the leader of the Dinobots, a subfaction of Autobots that can transform into metal dinosaurs. In 2007, USA Today polled people as to which Transformer they want to appear in the second installment in the Transformers film series; Grimlock came in tied for second with Devastator.

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 * Grimlock is a guest character in Marvel's Spider-Man: Webbed Champion, voiced by Travis Willingham. He appears in the crossover arc "Legenday Universes" alongside his fellow Dinobots.