When Step Brothers director Adam McKay tweeted earlier this week that Will Ferrell and John C. Reilly would reprise their characters on a forthcoming rap album, it was reasonable to assume that it was some kind of weird joke. But as it turns out, its a weird joke thats actually happening. McKay has since confirmed the project, tweeting, I wasnt kidding about Step Brothers rap album. And we just found out we have a crazy big time producer. No further details have surfaced. Photos: Hip Hop Royalty In Step Brothers , a deeply strange and generally underrated comedy from 2008, Ferrell and Reilly play grown men who clash when their parents get married. After the two bond, they form a rap duo known as Huff N Doback. Peter Travers Video Review: The X-Files, Step Brothers If you are unfamiliar with Ferrell and Reillys rap style, here is a clip of the two performing their absurd song Boats N Hoes in Step Brothers .