Heretical Symphonic (formerly known as Muzzleloader) is equal parts Greg Llewellyn and Mark Edwards who write, perform, record, and produce the music together.

Mark Edwards also records music as Seria Mau.  Greg Llewellyn records under the name FM Fiction as a solo project.  With long-time friend Jason Powell, Greg started the Little Montana Records label and together the two are also in $100 Handgun and The Olympic Hopefuls.  FM Fiction, $100 Handgun, The Olympic Hopefuls, and Little Montana Records (which some of it's recording artists are featured on their LMR MFT page). Each have their own pages here on Musical Family Tree, linked in the related bands section at the bottom or by clicking on the band names here.