Nightmarer
United States · formed 2013 · last active 2026
Nightmarer is an international dissonant/technical death metal trio conceived in 2014 by John Collett (vocals, ex-Gigan), guitarist Simon Hawemann (ex-War from a Harlot's Mouth) and drummer Paul Seidel (The Ocean), releasing the 2016 EP 'Chasm' and the 2018 Season of Mist album 'Cacophony of Terror' under the self-coined banner 'Total Dissonance Worship.' The band later left Season of Mist to run its own label of the same name.
A satellite: tied to the atlas by a member or a split, but under the EI 7bar — on the map for the graph’s sake, not a full entry. How the index works
MEMBERS
- John Collettvocals
- Simon Hawemannguitars
- Paul Seideldrums· also in The Ocean
- S. Braunschmidtbass (studio)
CONNECTIONS
- KALT ‖ WEISSpath →
Total Dissonance Worship artist (Serotonin, 2019, TDW006; NorAdrenalin, 2021) — anchored at Nightmarer, whose guitarist Simon Hawemann founded and runs the label. source ↗
- Owlpath →
Total Dissonance Worship artist — extensive ongoing run on the label (Crystal Delirium, 2020; Grid Shimmer, 2022; Ghosts of Summer and Ivory Eye, 2024); anchored at Nightmarer, whose guitarist Simon Hawemann founded and runs the label. source ↗
- Alcestpath →
Both bands' cover art/design work was done by Metastazis (Valnoir's Paris design studio, Discogs artist id 1844235): Nightmarer's "Cacophony of Terror" (2018, Artwork, Layout) and Alcest's "Écailles De Lune" (2010, Layout). Pairwise artwork tie per the 2026-08-07 ruling (PROTOCOL rule 7) — Metastazis is not an atlas band so there is no anchor band. source ↗
- Blut aus Nordpath →
Both bands' cover art/design work was done by Metastazis (Valnoir's Paris design studio, Discogs artist id 1844235): Blut aus Nord's "777 - Cosmosophy" (2012, Artwork) and Nightmarer's "Cacophony of Terror" (2018, Artwork, Layout). Pairwise artwork tie per the 2026-08-07 ruling (PROTOCOL rule 7) — Metastazis is not an atlas band so there is no anchor band. source ↗
- Carnival in Coalpath →
Both bands' cover art/design work was done by Metastazis (Valnoir's Paris design studio, Discogs artist id 1844235): Nightmarer's "Cacophony of Terror" (2018, Artwork, Layout) and Carnival in Coal's "Collection Prestige" (2005, Photography By [Pictures]). Pairwise artwork tie per the 2026-08-07 ruling (PROTOCOL rule 7) — Metastazis is not an atlas band so there is no anchor band. source ↗
- Igorrrpath →
Both bands' cover art/design work was done by Metastazis (Valnoir's Paris design studio, Discogs artist id 1844235): Igorrr's "Savage Sinusoid" (2017, Artwork) and Nightmarer's "Cacophony of Terror" (2018, Artwork, Layout). Pairwise artwork tie per the 2026-08-07 ruling (PROTOCOL rule 7) — Metastazis is not an atlas band so there is no anchor band. source ↗
- Kostnatěnípath →
Both bands' cover art/design work was done by Metastazis (Valnoir's Paris design studio, Discogs artist id 1844235): Nightmarer's "Cacophony of Terror" (2018, Artwork, Layout) and Kostnatění's "Přílišnost (Excess)" (2025, Cover, Design). Pairwise artwork tie per the 2026-08-07 ruling (PROTOCOL rule 7) — Metastazis is not an atlas band so there is no anchor band. source ↗
- Lychgatepath →
Both bands' cover art/design work was done by Metastazis (Valnoir's Paris design studio, Discogs artist id 1844235): Nightmarer's "Cacophony of Terror" (2018, Artwork, Layout) and Lychgate's "Precipice" (2025, Design [Wheel Symbol By]). Pairwise artwork tie per the 2026-08-07 ruling (PROTOCOL rule 7) — Metastazis is not an atlas band so there is no anchor band. source ↗
- Porta Nigrapath →
Both bands' cover art/design work was done by Metastazis (Valnoir's Paris design studio, Discogs artist id 1844235): Porta Nigra's "Kaiserschnitt" (2015, Artwork [Cover Artwork]) and Nightmarer's "Cacophony of Terror" (2018, Artwork, Layout). Pairwise artwork tie per the 2026-08-07 ruling (PROTOCOL rule 7) — Metastazis is not an atlas band so there is no anchor band. source ↗
- Schammaschpath →
Both bands' cover art/design work was done by Metastazis (Valnoir's Paris design studio, Discogs artist id 1844235): Schammasch's "Sic Lvceat Lvx" (2015, Cover, Artwork) and Nightmarer's "Cacophony of Terror" (2018, Artwork, Layout). Pairwise artwork tie per the 2026-08-07 ruling (PROTOCOL rule 7) — Metastazis is not an atlas band so there is no anchor band. source ↗
- The Bodypath →
Both bands' cover art/design work was done by Metastazis (Valnoir's Paris design studio, Discogs artist id 1844235): The Body's "xoroAHbin" (2015, Artwork) and Nightmarer's "Cacophony of Terror" (2018, Artwork, Layout). Pairwise artwork tie per the 2026-08-07 ruling (PROTOCOL rule 7) — Metastazis is not an atlas band so there is no anchor band. source ↗
- Ulver (electronic era)path →
Both bands' cover art/design work was done by Metastazis (Valnoir's Paris design studio, Discogs artist id 1844235): Ulver (electronic era)'s "The Norwegian National Opera" (2011, Design) and Nightmarer's "Cacophony of Terror" (2018, Artwork, Layout). Pairwise artwork tie per the 2026-08-07 ruling (PROTOCOL rule 7) — Metastazis is not an atlas band so there is no anchor band. source ↗
- Vampilliapath →
Both bands' cover art/design work was done by Metastazis (Valnoir's Paris design studio, Discogs artist id 1844235): Vampillia's "xoroAHbin" (2015, Artwork) and Nightmarer's "Cacophony of Terror" (2018, Artwork, Layout). Pairwise artwork tie per the 2026-08-07 ruling (PROTOCOL rule 7) — Metastazis is not an atlas band so there is no anchor band. source ↗
- Wormfoodpath →
Both bands' cover art/design work was done by Metastazis (Valnoir's Paris design studio, Discogs artist id 1844235): Wormfood's "France" (2005, Artwork) and Nightmarer's "Cacophony of Terror" (2018, Artwork, Layout). Pairwise artwork tie per the 2026-08-07 ruling (PROTOCOL rule 7) — Metastazis is not an atlas band so there is no anchor band. source ↗