User blog comment:Gbsim52/Ben 10 vs. Avatar/@comment-3153778-20120615014214

I wouldn't say that Ben is the defeater of Agreggor since Ben was electrocuted by him. It was really Kevin. Anyway. As ClayCon said, Ben only had access to one alien and when it comes to switching, Aang could kill him in mid transformation especially since Ben likes to waste time yelling the alien's name out.