Greg Walker [Edit] By Sticky Facts Editorial StaffGreg Walker biography, ethnicity, religion, interesting facts, favorites, family, updates, childhood facts, information and more:What is Greg Walker's full name?Greg WalkerGreg Walker nickname(s):Greg Walker, Gregg Walker, William Greg WalkerWhat is Greg Walker's occupation?Stunts Tags: stunts Suggested Posts Zinédine Zidane Facts Amy Adams Facts Amy Winehouse Facts Beyoncé Knowles Facts Katy Perry Facts Kylie Jenner Facts Jennifer Lawrence Facts Robin Williams Facts