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

Jewel Sigmeast III

Source: Jewel Beast III
Legend of Mana (PS) by Square

Sigmetabee

Source: Metabee
Medabots (GBA) by Natsume

Sigmoda

Source: Zoda
StarTropics (NES) by Nintendo R&D3 and Locomotive Corporation

Plague Sigma of Doom

Source: Plague Rat of Doom
Earthbound (SNES) by Ape and HAL Laboratory

Sigmabot

Source: Servbot and Tron Bonne
Project X Zone (3DS) by Monolith Soft

Rolligma Sigmasket

Source: Roll Casket
Namco × Capcom (PS2) by Monolith Soft

Sigmaman Voligma

Source: Megaman Volnutt
Namco × Capcom (PS2) by Monolith Soft

Sigmarena

Source: Serena
Guardian Heroes (Saturn) by Treasure

Ego el Shigma

Source: Ego el Sheep
Golden Axe III (Genesis) by Sega

Sigmageta

Source: Vegeta
Dragon Ball Z: Hyper Dimension (SFC) by Tose