|First Appearance||Castlevania: Special Edition|
|Weapon(s) of Choice||Glyphs|
|Special Abilities||Absorbing and using glyphs|
|Theme Music||Lone Challenger|
Mason Baldwin is a major antagonist in the upcoming fangame, Castlevania: Special Edition. He is the arch-rival of the protagonist, and murdered his family several years earlier. He is fought two times in the game.