Horst Christian Simco, better known by the stage name Riff Raff (often stylized as RiFF RAFF), is an American rapper from Houston, Texas. He was originally managed by Swishahouse co-founder OG Ron C.[8] After being associated with rapper and producer Soulja Boy's imprint S.O.D. Money Gang Inc., Riff Raff was signed to DJ and producer Diplo's record label, Mad Decent, from 2013 through 2015.

He was formerly a member of the rap group Three Loco along with Andy Milonakis and Dirt Nasty, who reunited on Riff's Balloween 2016 Halloween mixtape performing "Bitches in my Driveway". The trio premiered a Christmas parody song, "Ho-Ho-Loco", in the TBS Surprise! Instant Xmas Carol special. The group was featured in a Nerdist Industries production mixing DJ Khaled and Game of Thrones together, remaking the quadruple-platinum, "I'm the One", into "It's My Throne" with the trio playing characters from the HBO show. - Wikipedia