Chaz Hall, better known by his stylized pen-name, E L U C I D, is an American rapper and producer based in New York City.

He is one half of hip-hop duos Armand Hammer (with ​billy woods), E L U C I D & Haj of Dumhi, Nostrum Grocers (with milo), Small Bills (with The Lasso), and Cult Favorite (with A.M. Breakups). He is also member of hip-hop collective Lessondary.