Gatanothor (ガタノゾ_ア/Gatanothor) starred in the fifth1episode of the Japanese TV series Diga Altman and the 52nd episode of Giving Brilliant Men, which is the final BOSS of the TV version of Diga Altman.

Known as the "dark master", the terrorist enemy used Zjela to destroy the ultra-ancient human civilization and led Zoga to rule the world 30 million years ago. Since then, he has been buried in Lu Lu, an ultra-ancient relic at the bottom of the Pacific Ocean.