He is best known for his roles as Ricky Baker in Hunt for the Wilderpeople ( 2016 ) and as Russell Collins a.k.a Firefist in Deadpool 2 ( 2018 ) .
The Wilderpeople ( 2016 ) is the highest - grossing New Zealand film in history .
He is best known for his roles as Ricky Baker in Hunt for the Wilderpeople ( 2016 ) , the highest - grossing New Zealand film in history , and as Russell Collins a.k.a Firefist in Deadpool 2 ( 2018 ) .