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

Invader Sigma

Source: Invader King (Ver. MSA)
Metal Slug Attack (Mobile) by SNK Playmore

Chaosigma

Source: Chaos
Castlevania: Aria of Sorrow (GBA) by Konami Computer Entertainment Tokyo

Necrosigman

Source: Necroman
Breath of Fire 2 (SNES) by Capcom

Helligma Hound

Source: Hell Hound
Castlevania: Bloodlines (Genesis) by Konami

Candy Sigma

Source: Candy Kong
Donkey Kong Country (SNES) by Rare

Parasigmite

Source: Taj Base Boss
Run Saber (SNES) by Horisoft

Sigma Tortoise

Source: Mega Tortoise
Mega Man X (SNES) by Capcom

Plutigma

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

Mr. Digma

Source: Mr. Dark
Rayman (Playstation) by Ubi Studios

Gourmet Sigma

Source: Gourmet Guy
Paper Mario (Nintendo 64) by Intelligent Systems