Reconstructive Experiment Base Labor Flying saucer headquarters of the Empire.

Great Emperor Lar Deus Leader of Mess. Ends up as the monster Za Deusoola.

Great Doctor Lee Keflen Geneticist. Creator of the Beast Warriors. Originally from Earth.

Ley Wanda/Wandarla Winged zebra-like field commander who can transform into the utterly bestial Wandarla.

Ley Nefel/Nefelura Catlike field commander who can transform into utterly bestial Nefelura.

Ley Garus (1-28) White-furred, blue-skinned brute field commander.

Ulk and Kilt Nefelura's feline assistants.

Sir Cowler (15-48) Boss of the Alien Hunters, armed wih a whip. Kidnapped the five Earth babies who would grow up to be the Flashmen twenty years ago.

Bo Gardan (43-48) Second in command of the Alien Hunters.

Zorors Green-eyed, red-skinned insectoid footsoliders.

Alien Hunters -   Baura, Hag, Kerao, Hou, and one unnamed member

Kraagen monster-enlarging jellyfish