Nitro, formerly known as Robert Hunter, is a villain with the power to literally explode and reform. He is tall, and fairly muscular, but with a healthy amount of fat. He has pale skin and long, straight white hair. Blue eyes. Old, likely between 50 and 70. Before he became Nitro, he had a wife, Mary, and a daughter, Virgie. After becoming a villain he became short tempered and easy to provoke. He dislikes police and superheroes, and has even killed several before. Secretly, he is depressed.