Some famous or made-up characters who have T-Rex arms are: Tyrion Lannister, a smart and funny dwarf from the fantasy series Game of Thrones, who often holds his arms in a T-Rex-like way when he talks or drinks. Dr. Sheldon Cooper, a smart and weird scientist from the comedy series The Big Bang Theory, who sometimes holds his arms in a T-Rex-like way when he is nervous or excited. Groot, a nice and loyal tree-like creature from the sci-fi series Guardians of the Galaxy, who has short and stubby arms that look like a T-Rex's arms. Rex, a friendly and shy toy dinosaur from the animated series Toy Story, who has real T-Rex arms that make him feel bad or not good enough.