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

The Sigmoker

Source: The Joker
Batman (Arcade) by Atari Games, Midway Games, Data East and Namco

Sigmagician

Source: Magician
Ghouls 'n Ghosts (Arcade) by Capcom

Sigmagnus Mk. 2

Source: Magnus Mk. 2
Contra III: The Alien Wars (SNES) by Konami

Holothurigma

Source: Holothurion
Demon's Crest (SNES) by Capcom

And the image with no video

Necrosigma

Source: Necrosan
Primal Rage II (Arcade (Unreleased) ) by Atari Games

Siggy Mavers

Source: Cody Travers
Street Fighter Alpha 3 (Arcade) by Capcom

Sigborg

Source: Cyborg
Street Fighter II Movie (PlayStation) by Capcom

Alicigma

Source: Alice
Alice no Paint Adventure (SFC) by SAS Sakata

Sigma-Gorath

Source: Shuma-Gorath
Marvel Super Heroes vs. Street Fighter