Underclass Hero is the fourth studio album by Canadian rock band, Sum 41. It is the only record that was released with only three members in the band, since Dave Baksh left a year early to focus on Brown Brigade. The album was first released July 18, 2007 in Japan. It was released under the Island Records label and distributed worldwide by Universal Records, and in Canada by Aquarius Records. The album cover features a photo with singer Deryck Whibley spitting. This album features more alternative rock songs than their previous albums. Despite mixed reviews, the album gained success on the Canadian and on the United States album charts, peaking at #1 on the Canadian Albums Chart and at #7 on the U.S. Billboard 200.