Board Thread:General Discussion/@comment-173.174.241.121-20130516233253/@comment-18497248-20140513002901

DimitriusRuler wrote: Out of all of them, Alien X is the most powerful, with the whole "warp reality" schtick. But he is the least usable.

So in that regard, I would say Clockwork. His time powers give him a major edge against Way Big and Toepick. It's not about the most useable, it's about the most powerful, who, as you said, is Alien X. There's nothing else to consider or disccuss here.