Dr. Kojiro's 73rd 74th ,75th and 76th Robot Masters. The Matter Men were based on the states of matter: Anti-Matter, Gas, Liquid and Solid. Their names are Anti-Matter Man, Gaseous Man, Liquid Man and Solid Man. Anti-Matter Man controls fire and he is very angry. Gaseous Man controls gas and he is a fast member. Liquid Man controls water and he has a crush on Roll. Solid Man is the brawn of the group. He has super strength.