Blue Mary

Designed by SNK with inspiration from anime aesthetics, Mary Ryan—known professionally as Blue Mary—possesses a deep backstory tied to the lore of South Town. Her narrative in the Fatal Fury (1993) universe connects her to the legacy of her late father and her deceased lover, Butch, both of whom were killed in the line of duty. This tragedy motivated her freelance investigative work, often partnering with Terry Bogard, a central figure in the Fatal Fury and Real Bout Fatal Fury (1993) storylines.

In Real Bout Fatal Fury Special (1997), her gameplay mechanics were refined, emphasizing her grappling prowess and counter-attacks. Her transition to the crossover tournament series culminated in prominent appearances such as The King Of Fighters 2001 (2002), where she teamed up with characters like King and Mai Shiranui to form the Women Fighters Team, or worked alongside agents like Seth and Vanessa. Throughout these appearances, her loyal pet toy poodle, Anton, frequently appears in her pre-fight animations, adding a distinct personal touch to her tough exterior. Her enduring popularity secured her status as a staple of SNK's fighting game roster.