Gokuraku Tombo (極楽とんぼ, Gokuraku Tonbo), meaning Heavenly Dragonfly, was a manzai comedy duo consisting of Keiichi Yamamoto (山本 圭壱, Yamamoto Keiichi) and Koji Kato (加藤 浩次, Katō Kōji). Members of the Yoshimoto Kogyo entertainment conglomerate, they performed on the Fuji TV variety show Mecha-Mecha Iketeru! Their main act was based on arguing and fighting in public. In 2016, Yamamoto returned to television after over a decade long hiatus and has resumed activities in the industry. He is also currently a member of Yoshimotozaka46.