Alien Baltan (バルタン星人 Barutan Seijin) are arthropod-like aliens from the Planet Baltan. They are one of the Ultraman Series' most popular antagonists and are noted to have tried to attack Planet Earth and the Ultras themselves several times. Subtitles: Alien Baltan: Space Ninja (宇宙忍者 Uchū Ninja) Mecha Baltan: Fighting Bem (ファイティングベム Faitingu Bemu)