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

Sigmasetsu

Source: Rasetsu
Hagane: The Final Conflict (SNES) by CAProduction

Sigmona

Source: Demona
Gargoyles (Genesis) by Disney Software

The Sigma Queen

Source: The Dark Queen
Battletoads & Double Dragon: The Ultimate Team (SNES) by Rare

Siggy

Source: Franky
The Adventures of Dr. Franken (SNES) by MotiveTime

Sigildias

Source: Gildias
Ys III: Wanderers from Ys (SNES) by Nihon Falcom and Advance Communication

Mottainai Sigma

Source: Mottainai Obake
Youkai Buster: Ruka no Daibouken (SFC) by Sting Entertainment

@RX_DiVE_Asia New Raid Boss?

Krigma, Obligma, and Ickisigma

Source: Krumm, Oblina, and Ickis
Aaahh!!! Real Monsters (SNES) by Realtime Associates

Sigmool

Source: Zool
Zool: Ninja of the Nth Dimension (SNES) by Gremlin Graphics

Sigme Peligma

Source: Wilme Pelin (Final and Beta versions)
The 7th Saga (SNES) by Produce!