I always thought that the Boss Borot mecha in the Mazinger and Shin Mazinger Z series was a little bit useless ( although fun as hell ) and I never felt that it was any real reason for the existence and creation of the robot other than to be funny.
So I did this fan concept design to see If I could make the robot a little bit more useful and menacing while keeping his goofy looks.
I added some weapons to his arsenal, the most important should be his club and axe made with Z-alloy... along with his rotating arms he could be able to create some powerful blows. There's also a rotating machine gun device hidden inside his belly and two giant rockets on each shoulder.
I also thought of a more fun way to get inside the robot... instead of just climbing to his head, there's three elevators on his feet for Nuke, Mucha and Boss.
The protective metal bellow the waist resembles a pair of briefs.