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Dementia
- Country of origin:
- United States
- Location:
- Onalaska, Wisconsin (early); Chicago, Illinois (later)
- Status:
- Split-up
- Formed in:
- 1988
- Genre:
- Thrash Metal
- Lyrical themes:
- N/A
- Last label:
- Tombstone Records
- Years active:
- 1985-1986 (as Grand Jury), 1986-1987 (as Onslaught), 1987-1988 (as Syrys), 1988-1996
| Last known | |
| Skylar Kennedy | Drums (1988-1996) |
| See also: ex-Onslaught, ex-Syrys | |
| Brian T. Ericson | Guitars (lead), Vocals (backing) (1988-1996), Bass (1990-1991) |
| See also: ex-Two Ton Anvil, ex-Grand Jury, ex-Onslaught, ex-Syrys | |
| Mike Walz | Vocals (lead), Guitars (rhythm) (1988-1996) |
| Matt Snell | Bass (1994-1996) |
| See also: ex-Anubis Rising, Invidia, ex-Five Finger Death Punch | |
| Past | |
| Ron Behrens | Bass |
| Kurt Krause | Bass, Vocals (backing) (1988-1990) |
| See also: ex-Grand Jury, ex-Onslaught, ex-Syrys | |
| C.J. Phinney | Bass (1991-1994) |
| Skylar Kennedy | Drums (1988-1996) |
| See also: ex-Onslaught, ex-Syrys | |
| Brian T. Ericson | Guitars (lead), Vocals (backing) (1988-1996), Bass (1990-1991) |
| See also: ex-Two Ton Anvil, ex-Grand Jury, ex-Onslaught, ex-Syrys | |
| Mike Walz | Vocals (lead), Guitars (rhythm) (1988-1996) |
| Matt Snell | Bass (1994-1996) |
| See also: ex-Anubis Rising, Invidia, ex-Five Finger Death Punch | |
| Ron Behrens | Bass |
| Kurt Krause | Bass, Vocals (backing) (1988-1990) |
| See also: ex-Grand Jury, ex-Onslaught, ex-Syrys | |
| C.J. Phinney | Bass (1991-1994) |
| Added by: Skyklad | Modified by: KingSpooky |
| Added on: 2002-07-21 15:49:24 | Last modified on: 2021-01-30 22:53:02 |
They eventually went down to one guitar live, Matt Walz just doing vocals at that point.
Not to be confused with: