Jason Voorhees is a fictional character and the antagonist of the Friday the 13th series. He first appeared in Friday the 13th as the young son of camp-cook-turned-killer Pamela Voorhees, in which he was portrayed by Ari Lehman. From Wikipedia
Set construction progresses under showrunner Brad Caleb Kane, featuring Linda Cardellini as Pamela Voorhees with Jason’s role still to be filled.