South African rockers Seether are known for their hook-filled choruses and grunge-era inspired guitar riffs. But during a recent visit to the 'Conan' show the usually brooding power-trio took a left turn and showed off a different side of their personalities.

Seether teamed up with O'Brien's TeamCoco staff and filmed a hilarious comedy sketch. In the piece, we see bassist Dale Stewart and drummer John Humphrey complaining about vocalist-guitarist Shaun Morgan's recent obsession with none other than teen heartthrob Justin Bieber. Playing the role of Morgan in the video is Jimmy Fallon, who turns in a typically funny performance, albeit with a questionable South African accent.

Check out the Seether Justin Bieber video below.

Watch Seether's 'Conan' Comedy Sketch

Seether's most recent album, 'Holding Onto Strings Better Left to Fray,' hit stores in May of this year.