Duke Huckleberry is the sheriff of Bluebell National Park. He is Ellie Phillips' uncle. Chase McCain seeks him out in order to obtain a Grappling Gun. When he initially meets Chase, he says he feels that it was unfair to send Chase away from Lego City over a mistake.
- He is the uncle of Ellie Phillips.
- He is voiced by Nigel Whitmey.
- He has a squirrel named Derek.