Tuco Salamanca was a psychopathic Mexican drug kingpin, local in the Albuquerque area, who briefly became Walter White and Jesse Pinkman's meth distributor. He was the grandson of Abuelita and nephew of Don Hector Salamanca, one of the most powerful members of the Juárez Cartel. Tuco also had three cousins involved in criminal activities: Marco, Leonel and Joaquin Salamanca.