Kris Kross was an US-american rap duo of the 1990s comprising Chris "Mac Daddy" Kelly (died May 1st, 2013) and Chris "Daddy Mac" Smith. The duo was best known for their hit 1992 song "Jump", which was No. 1 on the Billboard Hot 100 for eight weeks and certified double platinum as a single. Kris Kross was also noted for their fashion style, which consisted of wearing their clothing backwards. The duo sang the "Rugrats Rap" for Nickelodeon, which was released as an extra on some Nickelodeon VHS tapes starting in 1994 and was finally released on CD on The Best of Nicktoons in 1998, and as an extra on the Rugrats: Decade in Diapers Collectors Edition DVD in 2002. On Wednesday, May 1, 2013, Chris Kelly was found unresponsive in his Atlanta home. Kelly was pronounced dead around 5 pm on the south campus of the Atlanta Medical Center; he was 34 years old.