1.In 1999 signed with former World Wrestling Federation developmental affiliate Ultimate Pro Wrestling (UPW), where he feuded with Samoa Joe
2.His father is of Italian descent, while his mother has French Canadian and English ancestry.
3.He worked as a driver for a limousine company.
4. Cena started training to become a professional wrestler in 1999 at Ultimate Pro Wrestling’s Once he was placed into an in-ring role, Cena began using a semi-robotic character known as “The Prototype”.
5.Some of this period of his career was documented in the Discovery Channel program Inside Pro Wrestling School. (which can be found on youtube)
6.Cena has granted over 400 wishes for Arizona children with life-threatening illnesses through the Make-A-Wish Foundation, making him the current record holder.
7. He is a fan of Japanese anime and has mentioned that his favorite anime movie is Fist of the North Star.
8.Cena collects muscle cars and has over 20, some of which are one-of-a-kind.
9.Cena hosted the Australian Nickelodeon Kids Choice Awards with Natalie Bassingthwaighte on October 11, 2008 in Melbourne, Australia
10.He graduated from Springfield with a degree in Exercise Physiology before diving head first into bodybuilding.