Antlar is a giant kaiju from the Ultraman series, first appearing in the original 1966 television show. It is an insect-like monster with powerful mandibles, thick armor, and the ability to burrow underground. Antlar is best known for its battle with Ultraman, where it serves as one of the early memorable threats that test the hero's strength and tactics. As a classic enemy monster, Antlar represents the alien and monstrous dangers Ultraman must defeat to protect Earth.