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

Sigmatador

Source: Matador
Shin Megami Tensei II (PS) by Atlus

Medusigma

Source: Medusa (Heavily Damaged)
Final Fantasy Mystic Quest (SNES) by Square

Sigmaxter Stockma

Source: Baxter Stockman
Teenage Mutant Ninja Turtles: Turtles in Time (SNES) by Konami

Sig-Sig the Red Nose

Source: Tap-Tap the Red Nose
Super Mario World 2: Yoshi's Island (SNES) by Nintendo EAD

Road Sigmattacker

Source: Road Attacker
Mega Man X (SNES) by Capcom

Σ. Higma

Source: E. Honda
Super Street Fighter II: The New Challengers (SNES) by Capcom

Sigmummy Queen

Source: Mummy Queen
Illusion of Gaia (SNES) by Quintet

Sigmuppet Master

Source: Puppet Master
Castlevania: Dawn of Sorrow (DS) by Konami

Anubisigma and Sigmanatos

Source: Anubis and Thanatos
Metal Combat: Falcon's Revenge (SNES) by Intelligent Systems

The edit of Pokey Minch from the half-finished Halloween Special. Also some unused frames of mugshots edited from Mega Man Xtreme 2