Mamergos

Mamergos is an Aquatic Warrior Beast found exclusively in the Great Mazinger manga. The true head is on front of the neck.

Appearance
Mamergos has a very scaly appearance that one can might mistake it for a Reptilian Warrior Beast. It arms are two very large fins that can also serve as wings for flight.

Abilities
Mamergos has the ability to create very powerful typhoons and tidal waves with a wave of its large wing-like fins. It can shoot missiles out of it's mouth for long range.

History
Mamergos attacks the gang when they were out on the beach during the first sortie of Jun's Venus A. It got hit by Venus's Oppai Missiles so in relation, it washed both Venus and Boss Borot away with a tidal wave. It wasn't long until Tetsuya launches in the Brain Condor and combines with Great Mazinger. After that Mamergos was quickly dispatched.