Demolishor is one of the Constructicons who will merge to form Devastator in the new film, opening June 24th 2009.
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Demolishor isn't very bright, but he knows when to fight, and when to run and hide. Arriving on Earth to find Megatron destroyed, hiding seemed like the best option. Since then, he's taken a few smaller Decepticons under his protection, and built quite a little community. It hasn't been easy hiding among the humans that creep like a disease over this planet, but he and his companions are content until a new Decepticon leader emerges to guide them back to glory.