Heidern is a character in The King of Fighters vdieo game series, originally appearance 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 Still. He is the commander of the Ikari Warriors, and issues orders to his adopted daughter Leona and his best soldiers: Clark Still, Whip, and Ralf Jones. He is also known as the General of the Soldiers of Fortune.


In the eight years before The King of Fighters '94 tournament, a 34-year-old Heidern was promoted to his current position for his outstanding martial arts and strategic level. The event was held at a top secret base in Brazil, where his wife and daughter attended the ceremony. Rugal Bernstein grabbed Heidern's high score, attacked the base when he left, and killed 50 Secret Service personnel when he arrived. When Heidern rushed back to his position, Rugal stripped his right eye and thought he was not suitable to be part of his collection. Instead, Rugal kill Heidern's wife and children. Shame and loneliness, he developed his own fighting style and mercenary units, Ikari Warriors. Since then, he has pursued Rugal to revenge against the death of his family.

Sometime before The King of Fighters tournament, he found Leona to be the last survivor of the destroyed village. This girl is amnesiac, Heidern adopts her to take care of her. He initially banned her from attending any training, but she became tolerant because of her inclination to the matter. His refusal to give her a formal rating is a way for him to protect her from some danger on the battlefield.

Starting with the The King of Fighters '96, he assigned Leona to take a role in the tournaments while issuing orders outside the court. Since the Ikari Warriors attempted to destroy the NESTS team, he has continued to play an important role in one of the series of stories, NESTS Saga. He continues this role of the event around this mysterious group known as Those from the Past. When Leona experienced a Riot of the Blood after the 2003 tournament, he decided to pull her out of the next one and stay with her as she recovered. After hearing Ralf and Clark's personal assessment of Leona, he asked his adopted daughter to participate in the competition again. At the end of KOF XI, Ikari team successfully secured Magaki's body and intended to analyze it, but the cruise they were riding was invaded by Shroom and Rimello. The two took Magaki's body, and Shroom also stole Heidern's eye mask and began wearing it as an insult and proof of his ability. Heidern ordered the team to investigate role Those from the Past and Rose Bernstein have in the KOF XIII tournament.


Very calm and silent, Heidern's personality was built because of the trauma of losing his eye and his family to Rugal. Although he hides his emotions through a veil of professionalism, he cares deeply for all of his subordinates, especially for Leona.

Heidern is very strategic, especially when trying to stop a major threat. Apart from Ralf, Clark and Whip, he hires mercenaries and free agents to expedite work, as he is seen assigning missions to Vanessa, Seth, Ramon, Blue Mary and others.

Heidern is not above accepting help from others, even accepting the help and intel contribution of Adelheid Bernstein, the son of his enemy, the late Rugal Bernstein.




           METAL-SLUG-LOGO2 Heroes

Alisa Stewart | Clark Still | El Dorado | Eri Kasamoto | Fio Germi | Heidern | Gimlet | Hyakutaro Ichimonji | Isseman Tarou | Leona Heidern | Madoka Aikawa | Marco Rossi | Nadia Cassel | Nathalie Neo | Red Eye | Ralf Jones | Roberto Nicola | Rumi Aikawa | Tarma Roving | Tequila | Trevor Spacey | Tyra Elson | Walter Ryan | Whip

Peregrine Falcons Squad | Regular Army | S.P.A.R.R.O.W.S


           The King of Fighters logo Heroes

Major Heroes
Ash Crimson | Athena Asamiya | Chizuru Kagura | Hinako Shijou | Iori Yagami | K' | Kyo Kusanagi | Rock Howard | Shun'ei

Other Heroes
Adelheid Bernstein | Alice Garnet Nakata | Andy Bogard | Angel | Antonov | Aoi Kusanagi | Bandeiras Hattori | Bao | Benimaru Nikaido | Blue Mary | Bonne Jenet | Brian Battler | Chang Koehan | Chin Gentsai | Choi Bounge | Chris | Clark Still | Duck King | Duke Edwards | Duo Lon | Elisabeth Blanctorche | Fio Germi | Foxy | Gai Tendo | Gang-il | Gato | Goro Daimon | Hanzo Hattori | Heavy D! | Heidern | Hotaru Futaba | Hwa Jai | Jhun Hoon | Joe Higashi | Junko Sendo | Kasumi Todoh | Keisuke Sendo | Krizalid | Kula Diamond | Kim Kaphwan | Kim Sue Il | King | Kukri | Kusanagi | Kyoji Sendo | Leona Heidern | Li Xiangfei | Lilly Kane | Lin | Lucky Glauber | Love Heart | Luong | Mai Shiranui | Makoto Mizoguchi | Malin | Maxima | May Lee | Meitenkun | Mian | Momoko | Mui Mui | Najd | Nakoruru | Nelson | Orochi | Oswald | Ralf Jones | Ramon | Richard Meyer | Robert Garcia | Rock Howard | Ryo Sakazaki | Saisyu Kusanagi | Seth | Shen Woo | Shermie | Shingo Yabuki | Shizuka Kusanagi | Sho Hayate | Sie Kensou | Souji Kusanagi | Sylvie Paula Paula | Syota Sendo | Takuma Sakazaki | Terry Bogard | Tizoc | Tung Fu Rue | Vanessa | Whip | Yashiro Nanakase | Yuri Sakazaki | Zarina

Guest Characters
Jeanne D'Arc | Skullomania | Thief Arthur

Alba Meira | Angelina | Candy Diamond | Chae Lim | Cutie Terry | Diana | Jun Kagami | Kang Bae Dal | Kaoru Watabe | Lien Neville | Luise Meyrink | Mignon Beart | Miu Kurosaki | Moe Habana | Nagase | Nameless | Ninon Beart | Reiji Oogami | Soiree Meira | Xiao Lon | Yuki

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