First words were "este" ("this" in Spanish), "ball" and "Dadda".
Favorite foods are chicken nuggets, macaroni and chesse, pizza and fruit.
Jason got a puppy teddy for Christmas 2005 that he loves to sleep with.
Jason's full name is Jason Patrick Simmons.
Jason is cautious and affectionate while Kristopher is wild and flirtatious.
Since Season 6, they have played the character Wyatt Matthew Halliwell on the TV series Charmed.
Jason shares the same name as a NFL player.
An interview with their parents and the cast & crew of Charmed was in Xpose magazine isusse #87, June 2004, tittled: "Family Matters".
The twins did a commercial for Cargill Baby Food (2003).
Telling them apart: Kristopher is the slightly thinner twin and his hair is a little bit darker than Jason's. His chin is also a bit pointier than his brother's. Jason's face is fuller and rounder.
At the end of the Season 7 episode "Imaginary Fiends" Wyatt ends up talking quite a bit which caused for the first time ever the twins Jason and Kristopher Simmons who portray Wyatt to be credited with the role since joining the cast in Season 6.
Are half Ecuadoran, on their mom's side and they understand Spanish very well however they just don't speak it.
For crying scenes when the twins were younger, their mom would leave the room for a few minutes and the boys would cry for her.
Jason & Kristopher don't interact with the demons on Charmed, they get scared when they see them.
Their mother, Maria, was a fan of the show long before she ever got pregnant with them.
When Jason & Kristopher watch Charmed and see a scene with Wyatt they both think it's them in the scene.
Jason & Kristopher refer to the actors on Charmed by their characters' names. Example: Holly is "Mommy Piper" and Brian is "Daddy Leo".
Jason is older by one minute and was born at 6:22pm.
Jason has medium blonde hair and blue/green eyes (depending on what he's wearing).
Jason has an half brother, Patrick, who is six years older.
Jason's Zodiac sign is Virgo.
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