Efraín Alberto Ruales Ríos (31 August 1984 in Guayaquil, Ecuador – 27 January 2021) was an Ecuadorian actor, model, musician and television presenter, known for his appearances in Solteros Sin Compromiso, La panadería, and ¡Así Pasa!, and for his characters Lorenzo, Professor Cachimundo, El Taita and Viperino in the variety program En contacto de Ecuavisa. Ruales was also the bassist for Equilivre and Rokket.
He was murdered on January 27, 2021 by drive-by-shooting at age 36.