Mal, Ben, Carlos De Vil, Evie, Jane, Doug. Booboo Stewart. Jay is one of the main characters of the Disney Channel Original Movie Descendants. He is the son of Jafar, one of Disney's most popular villains and the main antagonist of the 1992 Disney movie, Aladdin, and its 1994 sequel. He is also one of the villains who was imprisoned on a forbidden island with the other villains. He is portrayed by Booboo Stewart.