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 David Bowie Facts George Clooney Facts George Harrison Facts Leonardo DiCaprio Facts Dwayne Johnson Facts Miley Cyrus Facts Lady Gaga Facts Charlize Theron Facts