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

Avatar Sigmaang, the Maverick Bender

Source: Aang
Avatar: The Last Airbender (GBA) by Halfbrick

Sigraham Jonesigma

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

Count Sigchuck

Source: Count Chuck
Monster Bash (PC) by Apogee Software

cw // gore

Sigmorrpus

Source: Orrpus
Gynoug (Genesis) by Masaya Games

Pyscho Sailor Sigmoon

Source: Eternal Sailor Moon
Bishoujo Senshi Sailor Moon Stars - Fuwa Fuwa Panic 2 (SFC) by Bandai

Sigmyotia

Source: Myotia
Castlevania: Dracula X (SNES) by Konami

Sigmoguera

Source: Moguera
Godzilla: Monster of Monsters! (NES) by Compile

cw // gore

Sigmalien Celligma

Source: Alien Cell
Contra: Hard Corps (Genesis) by Konami

Yoshigma and Poochguarder

Source: Yoshi and Poochy
Super Mario World 2: Yoshi's Island (SNES) by Nintendo EAD

cw // nudity

Sigsanity of Sigmidea

Source: Idea
Idea no Hi (SFC) by Office Koukan