|This article is about a/an kaijin in Kamen Rider Black.|
He had the Asahi Village inhabitants under his spell so that they would interfere with a peace conference. Kamen Rider Black chopped off Goat Mutant's horns with his Rider Chop. Once Goat Mutant was killed by the Rider Kick, the villagers returned to normal.
It can headbutt and attack with its magic.