A “Jeopardy!” contestant had fans seeing double as they pointed out his strong resemblance to a beloved character from the hit sitcom “The Big Bang Theory.” On April 18, undergraduate student Liam ...

Sheldon Cooper (Jim Parsons) is the heart and soul of "The Big Bang Theory" — for worse or for better, depending on how you feel about the sometimes controversial, sometimes abrasive character.

Add Yahoo as a preferred source to see more of our stories on Google. A look at one of TV's most memorable characters throughout the years Sonja Flemming/CBS via Getty; Robert Voets/CBS via Getty Jim ...