Derek Huff

Derek Huff is the primary antagonist of the 2008 comedy film Step Brothers, potrayed by actor Adam Scott. He is the successful biological younger brother of protagonist Brennan Huff (potrayed by Will Ferrell), and step brother of Dale Doback (protrayed by John C. Reilly).

Derek owns a helicopter leasing company. Despite being his younger brother, Derek arrogantly mocks Brennan for being an employed spoiled brat, along with Dale. They manage to get him back by posing at Ku Klux Klan members and Neo Nazis to scare away his customers.

By the end of the film, as Brennan is left on his own and works at his company. Derek realizes he was wrong and acknowledges his brother as the newfound adult he is and starts to treat him and Dale with respect.

He has a wife, Alice, who cheats on him with Dale, and two children; a son and a daughter.