Ekhymosis is a Colombian rock band formed by Juan Esteban "Juanes" Aristizábal Vásquez, along with friends Andrés GarcÃa, Fernando "Toby" Tobón and José David Lopera from MedellÃn. 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.