Gerardo Yépiz Velázquez (born October 3, 1970) is a Mexican graphic artist. He launched the first Mexican Mail Art website in 1995, and became known for his downloadable stencils, which set a model for young artists, and used street installation and graffiti as a critical forum. He also goes by the name "Acamonchi", a slang term for piggyback riding in northern Mexico. Since then, he has created images for the Nortec Collective. He works in San Diego. and was artist