Bobbie Merveille (born 1983) better known by her stage names DJ Heavygrinder and Marie Vaunt is an American disc jockey.

[1] Merveille was born in Seattle, Washington to a French father and a Japanese mother.

[6][7][8][9] In regards to this period, DJ Heavygrinder stated: The genres of music she plays are house, electronica, indie, and trance.

[10] Her musical mentors and strongest influences include Cannibal Corpse, Pantera, Deicide, Justice, Gackt, L'Arc-en-Ciel, The Prodigy, Jamiroquai, Ryuichi Sakamoto, and Daft Punk.

She currently resides in Los Angeles, California and is married to fellow producer and DJ, Katfyr.