 In 2018, writer/producer Mike Reiss stated Jay Kogen came up with the name.In an excerpt from his autobiography, Guns N' Roses bassist Duff McKagan claimed that the beer was named after him as the writers were fans of the band and he was known for his extreme alcohol consumption and was popularly called "The King of Beers".This is a claim "Simpsons" creator Matt Groening has called "absurd".