Originally Posted by UCB Disco
Umm, no. Just no. Mega Man is the best. Proto Man is literally what his name says, "Prototype". He's a weaker version of Mega Man, and if you played the game with both characters, you'd realize that Proto Man takes more damage than Mega Man.
...which does not really matter if you attempt Mr. Perfect. :P On the other hand his slide-ability IS really useful for this task...