Badass Nerd Nuco is an anthropomorphic dinosaur with swampy-green scaly skin and completely neon-lime eyes. He's a fan of quantum physics and is a young nuclear physicist. He's shy, nervous, but intelligent and sharp-witted. Nerd Nuco is the Yang of Nuclear Dino and the counterpart to Beast Nuco, who's close friends with him. He was made by a machine that splits a person into two separate personas.