Sheldon Cooper is undeniably the most iconic character from "The Big Bang Theory" sitcom. Here are the eccentric scientist's ...
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 ...
The Big Bang Theory did not resolve all of Sheldon's mysteries for people, even after a 12-season run. That is where Young Sheldon comes in.