Austin Lee Russell (born September 8, 1982), known professionally as Chumlee, is an American businessman and reality television personality, known as a cast member on the History Channel television show Pawn Stars, which depicts the daily business at the Gold and Silver Pawn Shop in Las Vegas where Russell works as an employee. Chumlee came to work at the pawn shop five years before filming of the first season, having been a childhood friend of Corey Harrison, whose father, Rick Harrison, and grandfather,Richard Benjamin Harrison, opened the shop in 1989.

Austin Lee Russell plays as Himself in Pawn Stars.
Austin Lee Russell is the top #1 member of the cast and appears in 566 episodes.

Richard Kevin Harrison (born March 22, 1965) is an American businessman, reality television personality, and co-owner of the World Famous Gold & Silver Pawn Shop which is featured on the History series Pawn Stars. He co-owned the pawn shop with his father, Richard Benjamin Harrison, who died June 25, 2018. Description above from the Wikipedia article Rick Harrison, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Rick Harrison plays as Himself in Pawn Stars.
Rick Harrison is the top #2 member of the cast and appears in 566 episodes.

Richard Corey "Big Hoss" Harrison, (born April 27, 1983), is an American businessman and reality television personality, known as a cast member of the History TV series Pawn Stars, which documents his work at the World Famous Gold & Silver Pawn Shop in Las Vegas, which he co-owns with his father, Rick Harrison, and grandfather, Richard Benjamin Harrison.

Corey Harrison plays as Himself in Pawn Stars.
Corey Harrison is the top #3 member of the cast and appears in 566 episodes.