Detch (デッチ Detchi?) is one of the three sons of the Ayashi Family, along with his siblings Go and Sun. His only appearance in the series is as one of the initial antagonists in the game Ganbare Goemon: Kuru Nara Koi! Ayashige Ikka no Kuroi Kage for the PlayStation.
He was voiced by Chizuko Hoshino.