The Sword Brain appeared in 1988 TV series called Choujuu Sentai Liveman. Sword Brain is a Brain Beast in Choujuu Sentai Liveman. A monster whose blade is made of Giga Metal, send with Kemp to show the invincible qualities behind the metal. After almost killing Yousuke, the monster fights him again when Kemp holds Megumi hostage. However, Colon's interference saves Yusuke who manages to beat this monster before being him with the Biomotion Buster. Reformed into a giant by Gash, this monster was destroyed by the Live Robo.