Cacodemons are large round floating red heads, with small horns, one green eye, and a large mouth that can spit ball lightning and bite. The Cacodemon graphic first appeared in the code of an alpha version of Doom, released on May 22, 1993; it first appeared as a live adversary in a press release version of Doom released on October 4, 1993. In the finished game, played at the default skill level, the Cacodemon first appears in the first level of the second episode of Doom, "Deimos Anomaly". Cacodemons appear in almost every level in the second and third episodes. It has 400 HP.