The White Baby is an AI and computer virus created by the Amadeus Syndicate. It appears in Metal Slug 4 and Metal Slug Attack.


Metal Slug 4

The White Baby virus was created by Amadeus and used to override the military systems of countries throughout the world via the Internet. In response, the Regular Army dispatched Tarma and Eri to protect the researchers developing a solution for the virus and Marco and Fio, as well as new recruits Trevor and Nadia, to take down the Amadeus Syndicate.

Metal Slug Attack

The White Baby took control of several of the Amadeus Syndicate's robots and sent them to attack Abigail and Allen O' Neil when the two went to negotiate a trade deal with the syndicate.

When the two Rebel Army officers arrived and demanded to know why the Amadeus Syndicate had attacked them, the White Baby appeared and forcibly placed Amadeus in the Mother Computer to fight them. After the Mother Computer was defeated, the White Baby left to find better "toys". Amadeus then explained to Abigail and Allen the origins and purpose of the White Baby.


           Metal Slug Villains

Rebel Army: General Donald Morden | Allen O' Neil | Allen Jr. | Abigail | Beatriz | Abul Abbas | Vita | Navy | Nova | Rapid | Shizuka | Destrade | Julia | Aisha | Huracan | Izabella | Grazia | Loretta | Norah | Chloe | Dion | Vicky | Romy
Mars People: Rootmars | Professor | Marty | Percier | Gemini Twins | Ariadna
Amadeus Syndicate: Amadeus | White Baby | Iron Fortress | First Baby
Ptolemaic Army: Evil Spirit Incarnate | Ptolemaios | Dragunov | Yoshino | Caroline | Veronica | Mira | Towa | Sisilia | Simon | Miharu | Chunyan | Sho | Beecham | Owen | Damian
Invaders: Invader Queen | Odette | Annette | Nowan | Franke | Bersek | Schwarz Metzelei | Fedeln Metzelei | Bloom Metzelei
Phantom Squad: Hilde Garn | Macba | Kanan | Lt. Wired
Oguma Corporation: Oguma

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