Eduardo Humberto del Río García (June 20, 1934 – August 8, 2017), better known by his pen name Rius, was a Mexican intellectual, political cartoonist and writer. He was born in Zamora, Michoacán. He was a supporter of the Cuban revolution and was a strong critic of Fidel Castro's rule. His best known works were "Cuba for Beginners" and "It's a Pity, Cuba".