Julian Dennison is a film child actor from New Zealand, best known for his roles as Ricky Baker in Hunt for the Wilderpeople, the highest-grossing New Zealand film in history, and as Russell Collins a.k.a. "Firefist" in Deadpool 2.
Jojo is a lonely German boy who discovers that his single mother is hiding a Jewish girl in their attic. Aided only by his imaginary friend -- Adolf Hitler -- Jojo must confront his blind nationalism as World War II continues to rage on.