Forever Ninja

The Red Knight or Forever Knight Ninja is a member of the Forever Knights and a member of the Negative 10.

Ben 10
He was defeated by Perk Upchuck, who had spit his own shurikens back at him. According to the Pop-Up version of Ben 10, the knight is a robot personally created by the Forever King, Driscoll to be his bodyguard. He first appeared in the end of Perfect Day and made another appearance in Ben 10 vs. the Negative 10 (Part 1) and Ben 10 vs. the Negative 10 (Part 2) and does not have a voice actor (being completely mute). He battles by using the Forever Knights ninja gadgets, like shurikens, twin swords, lightsabers, machetes, and has enhanced speed. In the Ben 10: Alien Force video game, he appeared as the Forever Ninja, a fighter in several stages.