Cerberumon

Ceberumon appeared in 2002 animated TV show called Digimon Frontier. Cerberumon is a Dark Animal Digimon. It is called the "Watchdog of Hell". The claws on its feet are hard enough to easily tear through Chrome Digizoid alloys, if they have a low purity. Also, its body is protected by a hard living shell, which has the ability to instantly repair any damage it incurs. The armor on its shoulders each possess sentience, and are able to instantly sense an attack coming from any direction, then report it to Cerberumon's central body.

Attacks

 * Portals of Darkness (Inferno Gate): Opens a "Hell Gate" engraved in the earth, then casts the opponent through it to the jet-black Dark Area.
 * Emerald Blaze (Hellfire): Spews a red-hot jet of flames.
 * Styx Killer