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Mónica (alias "Ghost Girl") is a minor character that appears in ''[[Bakugan: Armored Alliance]]''. She is a ghost that appears debuts in the second season episode ''[[Haunted House]]''of the second season. It's never explained why she's a ghost in the end. She owned a [[Haos (Reboot)|Haos]] [[Sairus]], but later it was given to [[Lia Venegas]].
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