How many movies have Blue Demon and Gustavo César Carrión collaborated on?

They have worked on 6 movies together! Their first movie together was Blue Demon vs. the Infernal Brains (1968) while their highest rated movie together was The Mummies of Guanajuato (1972). They have not worked together since Santo and Blue Demon vs. Dr. Frankenstein (1974). They are most known for their action films together.