Relationships
| members: | Andy Romero (from 1991 until 1992: bass guitar) Andrew Shives (from 1992 until 1993: bass guitar) Christian Olde Wolbers (Belgian bass guitarist) (from 1993 until 2002: bass guitar, background vocals; from 2003 until 2009: guitar, background vocals) Byron Stroud (from 2003 until 2012: bass guitar) Dino Cazares (from 2009 to present: guitar, background vocals) Gene Hoglan (The Atomic Clock) (from 2009 until 2012: drums (drum set)) Matt DeVries (from 2012 to present: bass guitar) Mike Heller (metal drummer) (from 2012 to present: membranophone) Tony Campos (from 2015 to present: bass guitar) |
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| original members: | Dave Gibney (from 1989 until 1991: bass guitar) Dino Cazares (from 1989 until 2002: guitar, background vocals) Raymond Herrera (from 1989 until 2009: percussion, membranophone) Burton C. Bell (from 1989 until 2020-09: lead vocals) |
| supporting artists: | Steve Tushar (from 2004 until 2005) |
| supporting keyboard and sampler by: | Reynor Diego (from 1991 until 1995) Rhys Fulber (Canadian electronic musician) (from 1993 until 2004, from 2009 to present) |
| supporting keyboard by: | Steve Tushar (from 1996 until 1997) John Morgan (Canadian keyboardist, member of Unit: 187) (in 1997) John Bechdel (from 1998 until 2004) |
| signed by: | Nuclear Blast Roadrunner Records (from 1992 until 2002) |
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