Anguirus

Anguirus (Japanese: アンギラス, Hepburn: Angirasu) is a fictional monster, or kaiju, which first appeared in Godzilla Raids Again (1955), the second film in the Godzilla franchise. Anguirus is the first monster to be shown engaging in combat with Godzilla in a film. Since then, the character has appeared conversely as an enemy and an ally of Godzilla in numerous films produced by Toho, including Destroy All Monsters, Godzilla vs. Gigan, Godzilla vs. Megalon, Godzilla vs. Mechagodzilla, and Godzilla: Final Wars. He has also appeared in other media, including comic books and video games.