Horst Christian Simco (born January 29, 1982), better known by his stage name RiFF RAFF, is an American rapper from Houston, Texas.

Here is a description from the Vice.com music blog:

He is the Rap Game Cassius Clay, Kemosabe, Stacy Augmon, Alonz Mourning, Alfred Hitchcock, Alfalfa, Janet Jackson, Pink Panther, Ryan Sandberg, Warren Moon, Christian Laettner, Charles in Charge, Julio Franco, Bo Jackson, Action Jackson, Ferris Bueller, Drew Brees, Jack Sparrow, Chevy Chase, Zack Morris, Marilyn Manson, Peyton Manning, Michael Myers, Johnny Bravo, Herman Caine, Huckleberry Finn, Travis Tritt, Bernard Hopkins, Mozart, Barry Bonds, Bobby Bonilla, Peppermint Patty, Grim Reaper, Samuel L. Jackson, Shawn Kemp, Gary Payton, Lenny Dykstra, Bob Barker, Barbie, Chuck Norris, Jerry Springer, Clark Kent, Muhammad Ali, Axel Foley, Joe Frazier, Stromile Swift, Martha Stewart, I Dream of Jeannie, Dawson’s Creek, Mickey Mantle, Katy Perry and Matlock.

Riff claims he might be the sergeant, a chemist, a diamond ring, a holiday, a ten’s league, balling, Berry Gordy, pimpin’ Garnett, Houdini, rollin’ in stores, carrying grape print, Dan Marino, Lake Placid, pull up in Milan or Ace of Spades. He might have to run for mayor of New York, might buy two states (North and South Dakota,) swing through your prom with the wand in his palm, swing through White Castle, turn your heart to stone, pop up in Yellowstone National Park. He might ride in a Diamondback or in a GT, work the wood, eat a steak, snap a neck, or go triple sterling silver past the civilians in a Brazilian."