Hey man, once you finally work your way up to a machine, you probably don't want to experiment with a bad character just so you can get kicked to the back of the line. Also rushing down fools is more fun than zoning all day.
I'm pretty sure the "diamonds" above the healthbar are just zeros for the score in arcade mode
Edit: Nevermind, haha, I was looking WAAAAAAY off. I'll just go sit in a corner.