Heidern (ハイデルン, Haiderun) is a character in the The King of Fighters series who debuted as a playable character in The King of Fighters '94 in the Brazil Team (later known as the Ikari Team), along with Ralf Jones and Clark Steel.
Heidern is the commander of the Ikari Warriors, and issues orders to his adopted daughter Leona Heidern and his best soldiers Clark Steel, Whip, and Ralf Jones; and is also known as the "General of the Soldiers of Fortune".
Heidern is a 6-buttoned character. He has a very good gameplay, many moves and very good sprites. With a little practice, almost anyone can use him to win against powerful characters, such as Orochi and Krizalid.
Hovering the mouse cursor over the Command Input icons will display text that refers to the inputs set in M.U.G.E.N's Key Config.
Icons encased in square brackets [ ] require the respective button(s) to be held down. Hovering the mouse cursor over the gap displays the hold duration if applicable.