In 2012, Miller portrayed the Joker in The Dark Knight XXX. He won the 2013 XBIZ Award for Best Supporting Actor for his role in the film. Although he retired from performing in 2014 to focus on his music career, he returned to the industry in 2015 to reprise his role as the Joker for Batman v Superman XXX: An Axel Braun Parody.
Miller is the lead singer of a band called The Wicked Outlaws. In addition to singing, he is also a Songwriter. In 2015, he created a country rock song and music video, "On the Run", for the pornographic film Wanted.
