Duke Crocker is a character on the TV show Haven who is initially presented as untrustworthy but becomes a close friend and ally to the main characters. He has a shady past as a smuggler but helps the people of Haven and uses his skills to solve mysteries. Duke struggles with the destiny of his family to kill troubled people and tries to prove he can be courageous and help others instead of being a serial killer like his brother. He develops romantic relationships throughout the show but also values his friendship with Audrey above all else.