|Family and Relations||none|
|First Appearance||Great Mazinger episode 43|
Rubamba had a mostly gray scheme, with a white helmet that features a black band and a red centerpiece, and a frowning face. It has red forearms, Greek-styled leg bands, a black belt with a gray buckle, a white axilla, and he has a water buffalo-like horn on the top of his head.
Abilities and Equipment Edit
Rubamba had super strength as shown when he used a two-sided mace with one hand that he uses for close to mid-range combat. He was shown to be resistant to Thunder Break.
Rubamba was presented in the 43rd episode brutally attacking Great Mazinger and the Great suffered damage. In episode 44, Great Mazinger and Robot Junior are buried under boulders with Glosser and Rubamba attacking them. When Great gets free, Boss Borot traps Rubamba in a cape and is attacked by Thunder Break and finished with Breast Burn.
- Rubamba had his integrated brain in the head are rare thing for most Warrior Beasts.