Dan Mullin played drums in British noise black metallers The Axis Of Perdition until 2004. Founded in 2001, The Axis Of Perdition recorded the follow-up to 2003's "Corridors" using a drum computer following the departure of Dan Mullins due to "personal reasons". He also played with Epithaph, Broken, Thine, Anthropomancy, Sermon of Hypocrisy, Swimming Through Glass, Minethorn, The Raven Theory, Kryokill, the Enchanted, Warbastard, The Death Trip, Sermon Of Hypocrisy, and Bal-Sagoth.



February 2007 saw Dan Mullins join doom metallers My Dying Bride, following John Bennet's departure. He stayed until 2012.



Dan Mullins names Mike Portnoy, Gene Hoglan, Nick Barker, Frost, Trym, Vinnie Paul, Dave Lombardo, Buddy Rich, Niko Mcbrain, Dennis Chambers, Gregg Bissonette, Jason Bowls, Tomas Lang, Daniel and Adrian Erlanddson, Jonny Maudlin, Pete Sandoval, Paul Marzekewiz, Fenriz, Horge, Dave Mcclain, Danny Herrera, Reed Mullin, Paul Bostaph, Alex Marquez, and Nikke Anderson as favourite drummers.