Youngest Ninja Warrior in UK becomes internet sensation

Little Callan DaCosta, three, became so obsessed with Ninja Warrior that his dad built him an obstacle course to practice on. Proud Dad Ruel, 30, explained that he'd been doing parkour all of his life so Callan, along with his sister Jada, six, were immediately introduced to climbing obstacles. After seeing his Dad competing on the first season of Ninja Warrior, Callan has been hooked ever since. Ruel said: "Ever since then it's been everything Ninja Warrior, he's been jumping and climbing on everything.