Big Bad

4 vs. Satan:
*Satan. (Master of Darkness after Satan's defeat.)
Alex in Princess Quest:
*Malthor van Dracula.
The Stone of Power:
*Artimus.
The Three Kingdoms
*Vlados Palerius and Degares.
Dragondawn
*The blue dragon.
Harter Knall
*King Greyland.
Hero Story
*Master Shevu.
Kill the Demons
*Casper and Rustoc.
Satan Saga
*Trianuk, at first. Then, Satan. Then, Pope Bonmos. Then, King Greynor.
Story of Hero:
*Elizon Tataros
The Legend of Devils
*Satan
The Sidestory Duology:
*Rudolf Hitler (game 1); Ravydion (game 2)
The Time Of Bloody Fear:
*Maltros. (Eldon in route 4)