I think I subconsciously made the Crescendoll cast have some elements of the SOS Brigade. Wreck-Gar, without question, is Haruhi Suzumiya. The difference is that Haruhi has no idea she has these awesome reality warping powers (though I am more into Kyonism) and the rest of her friends want to keep it that way to contain any potential chaos.
Wreck-Gar IS aware...to an extent. This page , for example. The only reason he won, because he wished with all his might and applied his determination to win just so Lockdown will be happy and like him (cue awws). He is completely aware of all the stupid, impossible shit he can do. The problem is, it's completely unreliable because his personality is.
Lockdown may have ideas to use him for gambling, but he may not have much luck next time. Wreck-Gar may simply not "wish" or "believe" hard enough to achieve it for his own insane troll reasoning. Or even if he did something magnificent, Wreck-Gar won't exploit it because ten seconds later, he might be chasing a squirrel with a funny tail. His personality is too random for him to realize all the untapped powers he is constantly unleashing. This simultaneously makes him the best and worst weapon for Crescendolls.