When Sheldon Cooper (played by Jim Parsons) first introduced his twin sister Missy (Courtney Henggeler) to his friends, it’s fair to say it came as a shock to Leonard (Johnny Galecki ...

His mother and sister, Missy Cooper, referred to him as Shelly ... who had known Sheldon for the shortest period, was the “acquaintance,” it was later revealed that she was a close friend ...

Despite not having its titular genius, the show follows the same main characters in the same town in the same period ... Cooper family members. Specifically, Sheldon's twin brother, Missy.

Fans of the spinoff series know Revord for her role as Missy Cooper, the snarky fraternal twin of Sheldon Cooper whose character first became popularized in the "Big Bang Theory." Revord is ...