The King of Fighters 2003
The theme for the Sky Noah stage is Chopin's "Revolutionary Etude Op.10 No.12." The inclusion of this song on the Neo Geo system required a huge amount of memory which overwhelmed the voice data of other characters.
Duo Lon's overall look was based on the title character from the anime adaption of the Japanese novel series Vampire Hunter D.
The supervising designer of the game insisted on the spelling of "Malin" instead of "Marin" as the character's name. It is unknown by the rest of the game's development team why this decision was made, other than said designer's explicitly stated "humble preference".