Marketing materials produced by Nintendo for Conker's Bad Fur Day, as well as the back of the game's box, went out of their way to refer to the game's alcoholic protagonist as having just turned 21 years old. However, according to a pitch document for the unmade sequel Conker's Other Bad Day, director Chris Seavor intended for Conker to have been underaged during the original game's plot, and the sequel would have taken place after he had turned 17-18 years old.

There was a sequel being developed called "Conker's Other Bad Day", however it was cancelled. The plot would've dealt with Conker's bad tenure as King after spending the treasury money on beer, parties and hookers. The game started with his escape, with a ball and chain attached to him, from the Castle's highest tower where he had been faced with the prospect of execution. According to Chris Seavor: