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

Sigmaid Man

Source: Mermaid Man
SpongeBob SquarePants: SuperSponge (PS1) by Climax Group

Sigmerman

Source: Merman
Castlevania: Bloodlines (Genesis) by Konami

King Sigrieve

Source: King Grieve
Faxanadu (NES) by Hudson Soft

Sigmart

Source: Dart
Fire Emblem: The Blazing Blade (GBA) by Intelligent Systems

Aeoligma

Source: Aeolus
Three Wonders (Arcade) by Capcom

Siggy the Frog

Source: Winky the Frog
Donkey Kong Country (SNES) by Rare

Sigford

Source: Braford
Knights of the Round (SNES) by Capcom

Plutigma

Source: Pluto
Tales of Phantasia (PS) by Namco

Blue Signight

Source: Blue Knight
Astro Boy: Omega Factor (GBA) by Treasure and Hitmaker

Sigma Red

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