Lajoie was born in Longueuil, Quebec, Canada, and raised in the South Shore of Montreal. His father is Quebecois quÃ©bÃ©cois and his mother Is-English, canadian and he is the third of nine. Children he graduated From Dawson 'college s professional theatre program in. 2002
Missy Cooper is Sheldon's fraternal twin sister, who is ironically the direct opposite of her brother in many ways (besides being a female, she is not above physical confrontation, is very charming and amicable, as well as possessing a very cheeky sense of humor).
Sheldonâs twin sister is Missy Cooper. And, she is the direct opposite of her brother. She appears only in the Season 1 episode, The Porkchop Indeterminacy. But after that she was mentioned in a couple of episodes but she is not seen anymore. In S07E11 (The Cooper Extraction), Missy gives birth to a boy in Texas.