Tom wears a blue hoodie, large spiky hair (he called it "Steve" in "Moving Targets"), no eyes, and a spherical head. Sometimes, Tom is shown to have dark blue jeans whereas at others to have normal grey leg-wear. He wears checkered shoes which are the set out the same way as a chess board. Tom is the shortest compared to Edd, Matt, and Tord.
Tom is generally portrayed as cynical, pessimistic, and cold. Tom can be smart or stupid depending on the situation. 