Secret Society Egos
A religion of mad egocentrists who intend to plunge the world into chaos.
Satan Egos
The mysterious boss, entirely draped in black. He was ultimately slain by the Lightning Sword Rocketter.
Commander Hedda (1-51)
High priest of Egos. Later becomes the Hedda Monster (Check Monsters section) and is slain as such by the Battle Fever's new attack, Battle Fever Power.

Sarome (19-52)
Egos American branch officer who came to Japan to aid Hedda with her super strength.

Egos Mutants
Divine children of Egos created by the heart-like Egos Monster Making Machine. Many from episode 5 onward have 'little brother' giant robot doubles.
Grunts in grey and black armed with MP40 machineguns.
Egos Fighters
Black fighter planes with bat wings.