[quote=Intrepid]
It makes no difference. Besides, people have gotten into my mind before. Inside my head, there's constant turmoil. He and I fighting for control is like two beings with limitless power constantly fighting each other. I just happen to have dominance over him the majority of the time.
[/quote]

Send some electrical impulses into your brain. Maybe you could locate and specifically shut down the parts of the cells he's involved with.