Round Wave Crusher (also known as Shingo Dj
and Nasty Maid Grinder
), is a nickname of hardcore DJ\producer Rodrigo Nicolas Rodriguez who lives in Argentina. His songs appeared on "J-Core Masterz Volume 3" and "Rush Hour 2 Presents 凌辱 Hardcore" compilations. He also released five own albums titled "Tales of Rapes, Maids and Hardcore", "Born In The Wrong Place", "Doujin or Death", "Supremacy" and "Brainwash".