Grindor is a merciless Decepticon. In Revenge of The Fallen, Grindor kidnaps Sam Witwicky and returns him to Megatron. When Bumblebee and Optimus Prime arrive to save the boy, Starscream, Megatron, and Grindor fight the Autobots. Optimus Prime kills Grindor by ripping his head off.

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