Richard Ramirez is not primarily known as a musical artist; he is infamously recognized as a serial killer and a figure associated with crime. However, there is a musician known by the name Richard Ramirez, who is a noise artist and part of the underground music scene. He creates experimental sound art and has released several recordings that explore themes of horror and the macabre. If you are looking for information about a specific artist or a different context, please provide more details.