Sheldon Sister Missy Imdb - Melissa missy cooper is sheldon's fraternal twin sister, who is ironically the direct opposite of her brother in many ways (besides being female, she is not above physical confrontation, is very charming and amicable, as well as possessing a very cheeky sense of humor).
Sheldon Sister Missy Imdb / Hbo max has snapped up the rights to young sheldon in the latest big streaming deal.