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Doppelgänger of Nagi
Doppelgange of Nagi
Japanese Nameナギのドッペルゲンガー
Romaji NameNagi no dopperugengā
NameDoppelgänger of Nagi
Other NameFake Nagi
BirthdayDecember 3, 1991 (original self, manga timeline)
Height138 cm (4'6")
Weight29 kg (63 lbs)
Blood typeAB
Hair ColorBlond
Eyes ColorGreen
LikeSchool, Learning
SpecialtySuperhuman strength
Family & Relationships
FatherShin Hayek (original self's, deceased)
MotherYukariko Sanzenin (original self's, deceased)
RivalNagi Sanzenin (original self)
Hayate Ayasaki
Hinagiku Katsura
Isumi Saginomiya
OtherMikado Sanzenin (original self's grandfather)
Manga & Anime
First Appearance
NovelVolume 1

Doppelgänger of Nagi (ナギのドッペルゲンガー Nagi no dopperugengā?) is an exclusive character in Hayate no Gotoku! Light Novel. She is Nagi Sanzenin's other self seperated by the power of the Shimoda Onsen. She has everything similar to her original self except her personality and her ability to fight.


Her appearance is the same as her original self, Nagi Sanzenin. But, sometime she wears eyeglasses.

Characteristics and Personality

Although they look the same, Doppelgänger's personality is totally opposite of Nagi's. She loves reading and studying and is not lazy. She also likes to trick people and destroy everything in her way. Also, her feelings towards people is opposite, like how she hates both Hayate and Maria.


  • Super Human strength - Her body isn't that of a human being. This gives her a lot of strength. Even Hayate and Hinagiku have a hard time taking her down.
  • Merge back to original self - After her body gets destroyed for the first time, she's able to move her mind back to her original self for power restoration. While merged, she can talk with her original self.
  • Body Control - When she merged with Nagi, after she regained some of her power, she is able to take control of Nagi's body.


Nagi's Doppelgänger Arc

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