Bemlar is a monstrous alien kaiju from the Ultraman series, best known as the first enemy Ultraman faces in the original 1966 television series. He is a dangerous space monster that escapes confinement and threatens Earth, prompting the arrival of Ultraman and the Ultra Guard. Bemlar’s role is primarily that of an opening antagonist who establishes the tone of the franchise, representing the kind of powerful extraterrestrial threat Ultraman exists to stop.