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

Nebuligma

Source: Nebula
Marvel Super Heroes In War of the Gems (SNES) by Capcom

The Σ

Source: The O
SD Kidou Senshi Gundam 2 (SFC) by TOSE

Sigmaro Takasigma

Source: Taro Takahashi
Steel Assault (PC) by Zenovia Interactive

Face edited from custom Sigma head by @hansungkee1 and Aburtos

Sigma Guy

Source: Doom Guy
Doom (PC) by id Software

Sigmaharl

Source: Laharl
Disgaea: Hour of Darkness (PS2) by Nippon Ichi Software

Sigmeyd

Source: Beyd
Breath of Fire III (PlayStation) by Capcom

Sigmantis Ant

Source: Mantis Ant
Legend of Mana (PlayStation) by Square

Statue of Sigmus

Source: Secret Samus Rock Transformation
Kirby Superstar (SNES) by HAL Laboratory

Ryuhigma

Source: Ryuhi
SD Hiryu no Ken (SFC) by Culture Brain

Wizigma

Source: Wizard
Golden Axe II (Genesis) by Sega