Ruben Mendoza (born August 8), creatively known as Gloomstone or formerly Mr. Chambers, is a trashwave producer from Marion, Indiana. He gained recognition by his music, which takes influence from artists such as MAZES PURR and SADWRIST. Gloomstone is also known for collaborating with underground artists, such as ​ego mackey, JOHNNASCUS, and ​Sleepingforyears.