After Eleven Years, Our Favorite TV Show, The Big Bang Theory, Is Now Bidding Goodbye

Steven Yeun as Sebastian

Steven Yeon was born on 21 December 1983, and Yeon Sang-Yeop was his real name. The Korean-born American actor was known for his role in a regular series of The Walking Dead as Glenn Rhee until his character was killed in season 7. Steven Yeun was the former coworker of Sheldon Cooper in a flashback episode in one episode of The Big Bang Theory. He warned Leonard by saying, “Run, dude.” The name of the character was not stated but shown in the credits as Sebastian.