Julian Dennison (born 26 October 2002) is a New Zealand actor. He debuted in the 2013 film Shopping, for which he won the English Film and Television Award for Best Supporting Actor. He is known for his roles as Ricky Baker in Hunt for the Wilderpeople (2016), the highest-grossing New Zealand film in history, as Russell "Firefist" Collins in Deadpool 2 (2018), and as Belsnickel in The Christmas Chronicles 2. Dennison has appeared in multiple commercials for companies including Lynx and Air New Zealand. In 2021, Dennison made his first appearance in the MonsterVerse as Josh Valentine in Godzilla vs. Kong.