Mayhem (Rise of the Robots)

The Mayhem is the secondary antagonist and the sub-boss from Rise 2: Resurrection. He is a huge robot and unbalanced brown robot with extremely powerful moves and a funky stage on top of a huge electric guitar. It has a dual axe and wears spiked armour. The body contains oil that spits with, so the Anarchy-Virus have accessed Mayhem's database which mentioned as a "Post-apocalyptic" and "War-apocalyptic", part of the supervisor's creation and also the second in command.

To fight Mayhem, You have to face him if you can be undefeated through all of the characters before you face the Supervisor.