Zugar

Zugar is a spectral Warrior Beast that served as the monster-of-the week in episode 3 of Great Mazinger. 

Appearance
Zugar has a skeletal-like appearance with a light pink humanoid body, a skull-like head with a blue mane, a white spinal cord and rib-like decorations on the torso, brown forearms and ankles, blue feet, and greenish-yellow hands. His true face is located above his forehead, and resembles a bearded man with green skin, purple eyes and magenta hair.

Abilities
Zugar is able to detach its head which is able to fly release beams from the eye holes and use its tongue to restrain enemies. The tongue can also split into four whips to attack enemies.

History
The Great General calls for General Hadias to send Zugar. Meanwhile, a spy kidnaps Shiro to lure Great Mazinger out. Meanwhile, Venus tries to destroy Zugar with no success, then Tetsuya manages to rescue Shiro with him not knowing that he has a GPS. while Venus is fighting Zugar, Boss Borot shows up to make things worse steps in and he fails until Great Mazinger comes and drives a sword at Zugar´s forehead destroying him.