The Demon (aka Pinky or Pinky demon) is a relatively big, pink, bulky, muscular, vaguely humanoid monster with sharp teeth, two horns on its big head, backwards knees and three claws on each foot. It chomps like a wild cat, and runs at about 16 kph (10 mph). The id Software staff has called the monster "pinky" in reference to its coloration, especially during the development of Doom 3, when a new version of the monster was designed, although they made it grayish instead of pink. Demons and spectres also are sometimes collectively called "pigs"; this word is used in more than 100 Compet-n submissions.