Little Red Oni Slayer by ~Gorrem on deviantART
The Hannya (般若) mask is a mask used in Noh theater. It possesses two sharp bull-like horns, metallic eyes, and a leering mouth split from ear to ear. The mask expresses the fury of a vengeful woman turned demon through pain and rage.
Monkey king, Enforcer 12 on ArtStation at https://www.artstation.com/artwork/monkey-king-85389ede-f602-4a2e-8354-22f6d8d48a99
work-011, LIGHT GYZJ on ArtStation at https://www.artstation.com/artwork/work-011
Halloween , InHyuk Lee on ArtStation at https://www.artstation.com/artwork/y6Orn
Colossal da Floresta Oura (Livro 1): Mil Faces
japanese demon mask - Google Search
Adrian Smith Rising Sun.
I love this one! Japanese Oni | Devil mask Ao-oni(blue Devil)
19th Century Japanese Carved Oni with Okame Mask Ivory Netsuke Signed Yasumasa, 19th century