Sigma Posting (Follow on BS)さんのイラストまとめ

Sentigma

Source: Sentinel
X-men: Mutant Apocalypse (SNES) by Capcom

Krangma

Source: Krang
Teenage Mutant Ninja Turtles: The Hyperstone Heist (Sega Genesis) by Konami

Kung Fu Sigman

Source: Kung Fu Man
M.U.G.E.N (PC) by Elecbyte

M. Sigson

Source: M. Bison
Super Street Fighter II: The New Challengers (SNES) by Capcom

The Sigcreature

Source: The Creature
Castlevania: Symphony of the Night (Playstation) by Konami

Baigma

Source: Baigan
Final Fantasy IV (SNES) by Square

Sigception

Source: Deception
ActRaiser 2 (SNES) by Quintet

Ashigma

Source: Ashura
Skyblazer (SNES) by Ukiyotei

Sigmadog

Source:
Greendog: The Beached Surfer Dude! (Sega Genesis) by Sega Technical Institute and Interactive Designs

Cacosigma

Source: Cacodemon
Doom (PC) by id Software