Onilar

Onilar appeared in 1980 TV series called Denshi Sentai Denziman. Onilar is Vader Monster "44" of the Vader Clan. Onilar is sent out by the Vader Clan as a member of a squadron sent to capture Yuko Ariake, a woman who bares an exact resemblance to former Denzi ruler Princess Denzi. Due to Akagi and the other Denziman likewise believing her to be Princess Denzi returned, they protect her to find out the truth while Onilar takes her three preschool students hostage as a method to try and get her to reveal herself. Despite not actually being Princess Denzi, Yuko fools the Vader Clan by disguising as her and offering her Rainbow Stone in order to get the kids back. The Vader nearly fall for the ruse allowing for the Denziman to save the children and deal with Onilar. It is defeated by the DenziStick Boomerang, then by DaiDenzin after growing.

Arsenals
His main abilities are his strength, invisibility, changing his size, a massive butcher knife he uses as a weapon that also emits flames, a sword that emits explosions on contact, and ball-like bombs.