Matt Ox (born Matthew Grau) is a rapper and producer hailing from Philadelphia, Pennsylvania. He is currently 14 years old and was born on December 13th, 2004. His song "Overwhelming" blew him up in 2017. He has continued to release more music, including the album "OX" which was released on October 30th, 2018 and includes features from the likes of Chief Keef, Key!, and Valee. In March 2018, he was featured on the song "$$$" from XXXTentacion's album "?". He has cited artists such as Eminem, Marilyn Manson, Soulja Boy, and Lil B as influential to his musical style.