Madonna Wayne Gacy

Si Stephen Gregory Bier Jr. (ipinanganak Marso 6, 1964, Fort Lauderdale, Florida), na dating kilala bilang si Madonna Wayne Gacy at ang kanyang palayaw na Pogo (pangalangang clown ni John Wayne Gacy), ay isang dating gumagamit ng keyboard para sa banda ni Marilyn Manson, mula 1989 hanggang 2007. Ang pangalan niya ihinalo sa mga pangalan ng mang-aawit na si Madonna at ng serial killer na si John Wayne Gacy.

Personal na buhay
Si Stephen Bier ay ipinanganak sa Fort Lauderdale, Florida ng isang Hudyong ama at isang Katolikong ina. Siya rin ay nagkamit ng antas ng pag-iinhinyero mula sa University of Florida.

Diskograpiya
Portrait of an American Family (Marilyn Manson, 1994)
The Heart's Filthy Lesson single (US) (David Bowie, 1995) (uncredited)
Smells Like Children (Marilyn Manson, 1995)
Antichrist Superstar (Marilyn Manson, 1996)
Remix & Repent (Marilyn Manson, 1997)
Lost Highway Soundtrack - Apple of Sodom  (uncredited, 1997)
Mechanical Animals   (Marilyn Manson, 1998)
Dead Man on Campus Soundtrack  (Marilyn Manson's cover of David Bowie's "Golden Years", 1999)
Detroit Rock City  (Marilyn Manson's cover of AC/DC's "Highway to Hell", 1999)
The Last Tour on Earth (Marilyn Manson, 1999)
Holy Wood (In the Shadow of the Valley of Death) (Marilyn Manson, 2000)
Guns, God and Government (Marilyn Manson, 2000)
The Golden Age of Grotesque (Marilyn Manson, 2003)
Lest We Forget: The Best of Marilyn Manson (Marilyn Manson, 2004)
Lost & Found (Marilyn Manson, 2008)

Filmograpiya 
 Marilyn Manson: Coma White (1999)
 Doppelherz (2003)
 Speed Dragon (2013) (Bones)

Mga nakakonekta

Mga mang-aawit mula sa Estados Unidos