Mr. Roboto is a minor antagonist appearing in Episode XVI: Jack and the Smackback.
Description
Mr. Roboto is one of the Dome of Doom Champions. He is a killer robot who can shoot missiles and shuriken, similar to the Ultra-bots.
History
Episode XVI: Jack and the Smackback
Mr. Roboto is one of the last 6 Champions summoned by the Ringmaster after Jack has defeated the first 3 Champions. Mr. Roboto took action by launching his shurikens to Jack, only with him missing it. When Jack was cornered with Torto on his front, Mr. Roboto & Torto launched their respective projectiles, with only both of them destroyed each other after Jack evades their weapons.
It is unknown how the past Aku's destruction affects his existence.