Credence Barebones is a Maia, one of the ancient wizard-gods. He was constantly abused by his cruel stepmother, until he snapped, killing her and using his powers to go on a rampage through New York. Gellert Grindewald tried to use Credence for his own agenda, but Credence hated Gellert as much as he hated his stepmother. In the end, Newt Scamender and Porpentina Goldstein managed to reason with him, ending his rampage. However, he was killed soon after by the Aurors.