Otto

Otto is a villian that appears in Ben 10: Omniverse.

History
Otto was trapped in the Null Void along with Kevin and Argit. They gathered technology for him in exchange for a way out of the Null Void, but it only got Otto out.

Appearance
Otto's holographic head is similar to Pyxi.

Powers and Abilities
Otto can merge with technology and reconfigure it. He can also drill through metal with his hands.