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).
The Big Bang Theory cast at Comic-Con 2009, from left: Kunal Nayyar, Simon Helberg, Kaley Cuoco, Jim Parsons, and Johnny Galecki. Over time, several supporting characters have been introduced and promoted to starring roles, including Leslie Winkle, Amy Farrah Fowler, Bernadette Rostenkowski-Wolowitz, Stuart Bloom, and Emily Sweeney.