A Look-Back At Every Character In The Big Bang Theory. Who Is Your Favorite?

Brooke D’Orsay as Christy Vanderbel

Who wouldn’t forget Christy, Penny’s friend from her hometown in Nebraska who was also engaged to her cousin? She stays with Penny during one episode and hooks up with Howard. Although she is now retired from acting, D’Orsay’s appearance in TBBT, led her roles in How I Met Your Mother, Two and a Half Men, and Royal Pains. 

Brooke D’Orsay As Christy Vanderbel

Steven Yeun as Sebastian

Now this one is for the real fans. Steven Yeun, AKA Sebastian, was Sheldon’s roommate BEFORE Leonard. Though in the series, they didn’t get along all that much and his minor appearance is just for a single episode. Yeun has been on the hit show The Walking Dead for seven seasons now. 

Steven Yeun As Sebastian