Jabarkan Anggota dari Ugly Kid Joe

Whitfield Crane - vokal utama (1987–1997, 2010 – sekarang)

Klaus Eichstadt - gitar, backing vokal (1987–1997, 2010 – sekarang)

Cordell Crockett - bass, backing vokal (1991–1997, 2010 – sekarang)

Dave Fortman - gitar, backing vokal (1992–1997, 2010 – sekarang)

Shannon Larkin - drum, perkusi (1994–1997, 2010 – sekarang)

Zac Morris - drum, perkusi (2012 – sekarang)

Eric Phillips - gitar (1987–1990)

Jonathan Spaulding - drum (1987–1990)

Phil Hilgaertner - bass, backing vokal (1987–1991)

Mark Davis - drum, perkusi (1989–1994)

Roger Lahr - gitar, backing vokal (1989–1992)

Bob Fernandez - drum, perkusi (1994)

Carrie Hamilton - piano di As Ugly as They Wanna Be (1991 - "Everything About You")

Stephen Perkins - perkusi tentang America's Least Wanted (1992 - multiple track)

Dean Pleasants - gitar ritme America's Least Wanted (1992 - "Same Side")

Jennifer Barry - backing vokal di America's Least Wanted (1992 - multiple track), backing vokal di Menace To Sobriety (1995 - multiple track), backing vokal di Motel California (1996 - "Would You Like To Be There")

Rob Halford - mendukung vokal di America's Least Wanted (1992 - "Goddamn Devil")

Julia Sweeney - vokal tambahan pada America's Least Wanted (1992 - "Sialan Setan", "Semuanya Tentang Anda")

Brad Divens - backing vokal di Menace To Sobriety (1995 - multiple track)

Tom Fletcher - backing vokal di Menace To Sobriety (1995 - multiple track)

Lemmy - backing vokal di Motel California (1996 - "Little Red Man")

Angus Cooke - cello on Motel California (1996 - "Undertow")

Tim Wheater - flute di Motel California (1996 - "12 Cents")

Angelo Moore - saksofon di Stairway to Hell (2012 - "Love Ain't True!" )

"Dirty" Walter A. Kibby II - terompet di Stairway to Hell (2012 - "Love Ain't True!" )

Sonny Mayo - gitar (hanya live) (Tur Musim Panas 2012)

Yael Benzaken - drum (hanya live) (Tur Musim Panas 2012)

Zac Morris - drum (hanya pada 2012)

Chris Catalyst - gitar (konser di Eropa 2016)

Phil Campbell - gitar di Uglier Than They Used Ta Be (2015 - "Under the Bottom", "My Old Man", "Ace of Spades" )