The Kid from I Wanna Be The Guy. He has multiple .defs controlling how strong he is.

.def info (from the readme):
-Impossible: No assistance. Good luck.
-Very Hard: Only regular strikers. No hypers.
-Hard: All strikers and hypers.
-Medium: All strikers and hypers, plus doubled bullet damage and power get, plus your gun doesn't overheat as quickly, plus twice the special maneuver invincibility time.
-Oh, and you also get a pink bow on your head. Wuss.
-Source Accurate: Plays JUST like he does in the source game.
-No running, no back-hopping, no fast falling, nada.