This article is about the Colombian band. For the medical term see EcchymosisEkhymosis is a Colombian rock band formed by Juan Esteban "Juanes" Aristizábal Vásquez, along with friends Andrés García, Fernando "Toby" Tobón and José David Lopera from Medellín. The band was created in 1988 with heavy influences from Metallica and other important metal acts of the 80s, as well as some popular Latino music.