Listeners soon noted that the band's vocalist sounded like Havok, and rumors began spreading that he was the group's singer. On March 17, 2014, Jade Puget confirmed via Twitter that XTRMST was his and Havok's new project. The band, a straight edge metalcore act, released its self-titled album via Dim Mak Records in late 2014. In 2016, it was revealed that Havok had formed a new band with No Doubt members Tom Dumont, Tony Kanal and Adrian Young. The band, Dreamcar, revealed their name via their social media channels on November 16, 2016, along with a teaser reading "coming 2017". It was revealed on the band's official Instagram that their debut single "Kill for Candy" would be released on March 2, 2017. The band performed at Coachella 2017 on April 15 and 22. Havok and Jeffree Star modeled for Tarina Tarantino's jewelry line, Tokyo Hardcore in 2007. Havok was a presenter at the Mélange Fashion Show on August 6, 2011 in San Francisco. He was featured in the June 2012 issue of "VAR Magazine"  and in "Herring & Herring: Framed" in 2014. He was voted peta2's "Sexiest Vegetarian Celeb" contest in 2007, 2012, and 2017. In 2009, Havok joined the cast of the "illustrated film" series "Godkiller". Havok voices the antagonist role, a fallen god named Dragos. For March 2011, Havok joined the cast of Green Day's "American Idiot" on Broadway, playing the role of St. Jimmy. Havok is featured in at least one episode of Tim Armstrong's musical web series "Tim Timebomb's RockNRoll Theatre". He had a small acting role in the 2012 film "Knife Fight". On February 21, 2013, Havok announced that he had written his first book, "Pop Kids", and published it through Black Candy Publishing. The novel was released April 2013. Havok released his second book, "Love Fast Los Angeles", in February 2018. Glitterboy was a short-lived fashion line created by Havok. It was partly inspired by the 70s glam music scene, among other things. Clothing line Paden was released in 2007 and was available exclusively through Fred Segal clothing stores in California. Havok's second line, Zu Boutique, was launched in August 2008. The line was vegan and featured T-shirts with a limited pressing of 100 shirts per design.