The discovery of dinosaur fossils inspired the Autobots to create the Dinobots strike squad. Grimlock was ruthless and powerful, and chosen as the leader of the Dinobots. In robot mode, Grimlock is dangerous with his energo-sword. Transformed, Grimlock is even more powerful and dangerous, as he can tear or bite enemies into pieces! For any fan of the leader of the Dinobots, this 80sTees.com exclusive Grimlock Robot And Dino Modes Transformers T-Shirt is a must have!