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.
Sebastian Caine develops a serum that allows the user to become completely invisible. He experiments with the serum on himself, but is unable to return from his invisible state, impacting his persona.
