American Ninja Warrior Junior to feature 9 year old from Wyandotte FOX 2 Detroit Published October 12, 2018 3:35 PM EDT Share Copy Link Email Facebook Twitter LinkedIn Reddit Published October 12, 2018 3:35 PM EDT He's known as DoubleBackJack. Jackson Cook, a 9 year old from Wyandotte, will appear on an episode of the show American Ninja Warrior Junior. He joins FOX 2 to talk about it.
