He played in I Am A Graveyard, Hybrid, Sector 12, and American Nightmare before joining My Chemical Romance as a rhythm guitarist. Iero produced his first solo song “This Song Is A Curse” for the soundtrack of the Tim Burton film Frankenweenie. Early in 2013, Iero and James Dewees announced that they were working on an electronic-hardcore band called Death Spells. He went on to perform new solo songs live, and applied via the Internet that he had a full album worth of songs at the ready. Iero married his long-time girlfriend Jamia Nestor in February of 2007. The artist has identified as a vegetarian and supports pro-gay rights.