Screaming Mad George (IG: screamingmadgeorge)
- All Masks From Iowa to The Gray Chapter
Bob Basset (IG: bobbasset)
- Sid Wilson's Gray Chapter Mask
- Sid Wilson's The End, So Far Masks
Laney Chantal (IG: laneychantal)
- Chris Fehn's Gray Chapter version 2
- Alex Venturella's Gray Chapter version 2
- Sid Wilson's W.A.N.Y.K. Mask
Tom Savini (IG: thetomsavini)
- Corey Taylor's W.A.N.Y.K. Mask
Jim Ojala (IG: ojalafx)
- All W.A.N.Y.K. Masks (except Corey and Sid)
- Jay Weinberg's The End, So Far Mask
- Michael Pfaff's The End, So Far Mask
Connor Deless (IG: connordeless)
- Corey Taylor's The End, So Far Mask
Ralis Kahn (IG: ralis_kahn)
- Shawn Crahan's MayhemFest Iowa variant Mask
- Corey Taylor's Sonisphere Slamm Dummy Mask
- Sid Wilson's All Hope Is Gone Mask
- Purgatory Masks
- Maggot Mask
Joann Cdebaca
- Shawn Crahan's Grammy (black) West German Clown mask
- "Museum Clown" mask
- "Antique Clown" mask
Unknown
- The animatronics for Sid's W.A.N.Y.K. mask
Paul J. Vick (IG: perfectugly)
- Witness Masks (The Dying Song - Music Video)
Viken Koundakjian
- Leather straps and modifications around 2000, possibly earlier.
Mask Companies
These companies made masks that members of Slipknot, modified and used during the M.F.K.R. era to the Self-Titled era.
| Company | Name of Mask | Worn by | Modified by |
|---|---|---|---|
| Tyco | Slamm Dummy Mask | Corey Taylor | |
| Paper Magic Group | Ghost Glow Mask | ||
| West Germany | Tramp Old Man | Brandon Darner | |
| Clown | Shawn Crahan | ||
| Ben Cooper | Latex Clown | ||
| Ronald Reagan | |||
| Savage Eye | Safari Clown | ||
| Distortions Unlimited | Liar (original) | Chris Fehn | Chantel Crahan |
| Baby Face | Greg Welts | ||
| Battered Hockey Mask | Mick Thomas | ||
| Topstone | Grey Wolf | Craig Jones | |
| DollarDays | Space Robot Helmet | ||
| Gray Cover Up | Hairless Clown | ||
| Gerard Enterprises | Pig Face | Paul Gray | |
| Rubie's | Executioner's Hood | Josh Brainard | |
| Forum Novelties | Evil Jester | James Root | |
| Cesar | Blank Female | Joey Jordison | |
| Celebrations | Dalmation | Sid Wilson | |
| Maskimals | Reindeer | ||
