It has been implied several that there is some romantic tension between him and King during The King of Fighters series.

It also marked the only time that she donned her trademark outfit, which was made famous in The King of Fighters series.

Kyo has also appeared in video games outside The King of Fighters series.

Six additional characters make their debut in this game, and most of the remaining roster is inherited from the King of Fighters series.

Aside from the main series, Rugal has also appeared in other media from the King of Fighters series.

In The King of Fighters series, Athena wears new outfits in every game, some with little changes.

For The King of Fighters series, Athena has been played by several actresses.

His design resembles Igniz from The King of Fighters series.

It is the fourth game in The King of Fighters series.

Aside from the King of Fighters series, the character is featured in his own drama CD and character image album.