Duke is the code name of First Sergeant Conrad S. Hauser, and was born in St. Louis, Missouri. He is a skilled polyglot, being … See more

Duke was one of the first mail-away figures created in 1983 for the G.I. Joe 3 3/4" action figure line of G.I. Joe: A Real American Hero. He was later released as a carded figure in 1984, as part of the third series. Th… See more

In the Marvel Comics G.I. Joe series, Duke first appears in issue #22. He and Roadblock act as security for the funeral of General Flagg, shooting down an attacking Rattler plane. Duke is added to the G.I. Joe team line-u… See more

In the first G.I. Joe miniseries The MASS Device, Duke is the field leader of G.I. Joe, under the command of General Flagg. Though the comic books and file cards say Duke is from St. Louis, Missouri, The MASS Devi… See more

Channing Tatum portrays Duke in the 2009 film G.I. Joe: The Rise of Cobra. He is the primary protagonist and is part of General Hawk's team. Contrary to his original back-story, he is a newcomer to the G.I. Joe team; all Jo… See more

Duke is one of the featured characters in the 1985 G.I. Joe: A Real American Hero computer game.
Duke is featured as a playable character in the 1991 G.I. Joe video game created for the Nintendo E… See more