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Greg Nightmare is a character in killer7. The US Secretary of Education, Nightmare is an obese, besuited man with tanned skin and short grey hair, and, according to both Kenjiro Matsuoka and the tapes left by Holbert, the true power behind the US Government. He was hanged in the Coburn Elementary School gymnasium, possibly by Benjamin Keane.

After Garcian confronts Matsuoka in the gym, Greg comes back to life (possibly as a Heaven Smile) and attempts to take out the killer7 with the Golden Gun; the Smiths must shoot him from side to side until his trousers fly off, revealing that his legs are an unusual bright red and his crotch is a bulbous glowing orb. The player must shoot at the crotch, occassionaly taking steps to avoid or counter Greg's pistol shots if necessary, until his grown brutally explodes and removes his lower body entirely.

On doing so, a cloud of vapourous gore emerges from Nightmare's torso, and 7 invincible Black Heaven Smiles spawn on the stage beneath. Greg drops the Golden Gun, but the weapon can only be collected by Garcian Smith; thus, Nightmare is invincible while the Black Smiles pick off each member of the Killer7 until only Garcian remains. Garcian can take the Golden Gun, and then the player can eliminate the last Black Smile and attack Nightmare's torso, blasting his chest open and killing him for good.

Greg Nightmare effectively serves as the final boss of the game, unless the player counts the Last Shot Smile. It is unknown whether he has any connection to Dimitri Nightmare.


  1. The theme which plays during the first half of the fight with Nightmare plays between 0:53-2:17 on Election Plot. The boss theme can be found separate from the main Election Plot variations in the game's audio files labelled 009_Boss CHO_hps.
killer7 characters
The killer7 Harman Smith · Garcian Smith · Dan Smith · KAEDE Smith · Kevin Smith · Coyote Smith · Con Smith · MASK de Smith
The Smith Syndicate Samantha Sitbon · Christopher Mills · Iwazaru · Kikazaru · Mizaru · Travis Bell · Kess BloodySunday · Yoon-Hyun · Susie Sumner · Mad Doctor · Gary Wanderers
Heaven Smile Kun Lan · Heaven Smile · Gatekeeper · Kenjiro Matsuoka
Angel Angel · Red Gunners · Bianca · Pussy
Sunset Toru Fukushima · Young Guys ×3 · Jean DePaul · Julia Kisugi · Spencer · Hiroyasu Kurahashi · Shinya Akiba · Hiro Kasai · Mary · Plenty
Cloudman Andrei Ulmeyda · Stacy Spangles · Cult Member · Old Man · Man in Photograph · Drug Store Employee · Postman · Security Guard · Gabriel Clemence · General Lynch · Helga
Encounter Curtis Blackburn · Curtis's Bitch · AYAME Blackburn · Pedro Montana · Mary Montana · Archangel · Xenia
Alter Ego The Handsome Men · Steve Thunderson · Trevor Pearlharbor · Singer · Mithra · LOVE Wilcox
Smile Linda Vermillion · Edo Macalister · Dimitri Nightmare · Holbert · Emir Parkreiner · Benjamin Keane · Greg Nightmare · Solitaire
Lion Last Shot Smile
And... Johnny Gagnon
Hand in killer7 Jaco Checkbox · Jim Townsend · Susan · Graham MacAlister · Jack Foley · Mr. A
killer is dead Shigeki Birkin · Samayoru · Mario Castiglioni