No. Although Austin "Chumlee" Russell is Corey "Big Hoss" Harrison's long time childhood friend and just like a son to Rick, he is not actually related to the Harrison family from Pawn Stars.
Chumlee has been hanging around the Gold & Silver Pawn shop since he was a kid and feels like part of the family.
Did you know where Chumlee get his nickname? Friends in elementary school took the name from cartoon character Tennessee Tuxedo’s sidekick, a walrus named Chumley.
Here's more: Discover 13 Things You Didn't Know About Chumlee, Rick And Corey, featured at HuffingtonPost.com.
In the news: Chumlee was held in a Las Vegas jail following his arrest on felony weapon and drug charges. Get more scoop at FOx8.com.