Mad Dog McCree

Easy Reload
While playing, shoot any blue emblem to reload your guns. If you're lucky, you'll get more ammo than normal!

Kill Mad Dog
When you get to Mad Dog in the final showdown he'll say,"That's Bye Good Stranger". Shoot him in the head before he shoots you. He'll drop his gun, band reache for his other one. Shoot him in the head again and he will die.