As the leader of the Dinobots, Grimlock is one of the most powerful and popular characters in the Transformers franchise. This 80sTees.com exclusive Transformers t-shirt features an image of Grimlock chomping through a wooden board. The shirt reads Strong As Grimlock. This shirt will make a great Father's Day gift for any Transformers fan that proves to be a strong dad every day. This Grimlock shirt is also perfect for any Transformers fan that has displayed a great deal of strength in their life.