YES. When Source Filmmaker was announced, this was the kind of sh*t I was hoping to see. Oh God, so very yes.
How can anyone forget that scene from the F-Zero: GP Legend anime? Just replace Captain Falcon with the Heavy and you've got instant magic. These 37 seconds of awesomeness are brought to you by YouTube marothon90, who has also whipped up "Heavy Arm Wrestling," embedded after the break.
If this is what we have to look forward to, I couldn't be any more pleased.
Heavy's Falcon Punch [YouTube] (Thanks a bunch, Robert!)
Heavy Arm Wrestling [YouTube]