Marquis de Sade

Marquis de Sade is a major antagonist in the Codex series - although based upon a historical character absolutely nothing in this character is meant to convey real-world beliefs, it is purely for fiction.

At any rate, in the Earth the Codex resides in Marquis de Sade was a powerful but insane noble who would become fascinated with the Codex after witnessing several of Nathan Young's ancestors and their battles with the evils of space that regularly threatened the world.

Dedicating his life to trying to create his own Codex Marquis de Sade would form many unholy pacts with alien monstrosities and chronicled the suffering of countless humans (and benevolent alien races) so as to learn their secrets, with time Marquis de Sade's mind completely broke but he succeeded in creating the Tome.

Just as the Codex stands as Earth's greatest defence against the horrors that try to hide in the shadows the Tome is one Earth's most dangerous enemies as it corrupts those that come in contact with it - as its creator and dominant user Marquis de Sade is as corrupt as they come and has powers far surpassing those of the currently inexperienced Nathan.