Andrew Biersack:
Fell of a 15 foot wall, shattered 3 ribs, got up, and continued to play during his concert.
Frank Lero:
Played an entire show hooked up to an oxygen tank.
Alex Gasgarth:
Hit his head hard over an overhanging speaker, fell of the stage, split his forehead open, and got a concussion. Then got up and finished the show.
Justin Bieber:
Hurt his toe on stage and stopped the entire show.