He is primarily recognized as the lead singer and keyboardist of the psychedelic prog metal outfit Bigelf, as well as for his time with the British rock band The Cult from 2016 to 2022.

[1][2] During the 1990s, Fox formed Foxx Entertainment Enterprises Inc. With this production company, he created, scripted, and narrated the shockumentary films Traces of Death (1993) and Traces of Death II (1994).

Fox can be heard on several platinum albums, including Alicia Keys’ As I Am and Christina Aguilera's Stripped and Back To Basics.

He also appears on the keyboard on releases from Matt Sorum (Guns N' Roses), Cheap Trick, and Courtney Love.

Fox made a guest appearance on season six of RuPaul's Drag Race, when drag fan favorite Darienne Lake did a makeover of him as a bride; the "brides" from the episode, all straight men, appeared on the behind the scenes show Untucked with their spouses dressed as grooms.