John Cena might be a 16-time world champ and the face of WWE, but there's a lot more to his story than jorts and catchphrases. From almost getting fired to rapping in Mandarin, here are the most unexpected facts about him.

Last summer, Cena confirmed he would be retiring from the sport for good - while in March, he shocked fans once more by transforming into a 'heel' - aka an evil character - as he took aim at WWE champion Cody Rhodes, singling out a young fan in the crowd while doing so.