Julian Dennison is a New Zealand actor. He starred 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, Russell "Firefist" Collins in Deadpool 2 (2018), and Belsnickel in The Christmas Chronicles 2. He also played Josh Valentine in Godzilla vs. Kong in 2021 and had a leading role in the film Uproar (2023). He also played Fishlegs in How to Train Your Dragon (2025).