The many Malons
Due to an ancient heritage that also affects Link and Zelda, causing them to reincarnate time and time again over the ages, Malon has a number of lookalikes that have lived in the past. After a dire situation and a shock stirred the heritage awake, these previous incarnations are now flooding Malon's mind with their respective memories and thoughts. To deal with this influx of information and memories that are not her own, Malon's mind only slowly accepts these informations in "chunks" that bleed into Malon's personality and cause temporary changes. Furthermore, the collected memories and personality of a past Malon manifest as an hallucination of that person, only visible to Malon herself. This is to avoid a loss of Malon's identity due to the blending of multiple personalities.
Each Malon is given a number corresponding to the how manieth incarnation she is, and a nickname by Malon herself. Noted below are the past incarnations.
Malon the 7th: Skinwalker.
Skinwalker was the first Malon to wield the powers of Skinwalking, after being sired by a Skinwalker. Her mother was a Hylian, thus she was a hybrid. Not much is known about her.
Malon the 8th: Gardener.
Gardener is known for having lived among the Kokiri folk for a while and saved the Deku Tree when with her green thumb when there was a strong drought. She learned a number of natural magic spells from him.
Malon the 11th: Chef.
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Chef was employed in a relatively high-class multicultural restaurant in Hyrule Castle Town where she learned the secrets of the kitchen of various countries and cultures, from the Hylian standard meals to Zoran mineral-rich freshwater steamed fish, Kokiri assorted vegetable plates, Gerudo curries and many more. Among the Malons she is one of the softest and kindest.
Malon the 13th: Assassin.
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Assassin was, as her name implies, a professional hitwoman, a killer who took assassination contracts for a living and was a skilled infiltrator, a master of disguise using her Skinwalker abilities, both swift and smart. She is a calm, calculating personality, good at formulating plans and telling Malon to keep her cool in dire situations.
Malon the ???th: Mother.
Malon's mother. While not an incarnation herself, the Gerudo woman who got together with Talon and gave birth to the current Malon exists in Malon's mind as a sort of overarching conscience that helps Malon with dealing with the other Malons bleeding their memories into her.