Joaquín Cosío Osuna (born 6 October 1962) is a Mexican actor and poet. He is best known for roles such as Rubén "Mascarita" in Matando Cabos (2004), General Medrano in Quantum of Solace (2008), Ernesto Fonseca Carrillo in Narcos: Mexico (2018–2021) and Major General Mateo Suárez in The Suicide Squad (2021), among others.
