well I guess I have to commit carpal tunnel then or use a macro for it if I want to when it comes to the shooting and having to deal with the nonexistent crouching like Mario's crouch on his 2D platformers or the nonexistent crawling.
Also, can't Samus Aran turn into a ball in Metroid? I mean, it isn't crawling, yes, but it does look like a crawling move to me, simply because u can literally roll left and right while in that ball state.