Nathan O'Toole (born 17 March 1998) is an Irish actor, known for playing the part of young Bjorn Ironside in the first two seasons of the 2013 TV series Vikings. He also played in the series The Borgias as Vincenzo. He lives in Dunshaughlin.
John Stewart has to become the next green lantern after the death of Hal Jordan The first Green Lantern by the hands of Sinestro. John now has to learn to control this power and avenge Hal Jordan.
