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Nain (ナイン Nain) is the assistant scientist of Dr. Collie working on the program of Bio-Warriors for Lord Jaguar. She makes her debut and only appearance in the movie, Dragon Ball Z: Bio-Broly.



Nain in the computer room

Nain works with many other scientists in a laboratory in Mei Queen Castle, on a remote island. When Trunks manages to correctly describe one of the functions of the equipment within the Bio-Warrior laboratory, she compliments him on his knowledge. After Goten and Trunks assume that Bio-Broly is defeated, a Culture Fluid fills the laboratory and claims the lives of many scientists. However, Nain is rescued by Krillin.

Voice actress


  • Nain and Dr. Collie are both named after the Japanese word korinai (懲りない), meaning "stubborn". Their names, together with Hei and Men-Men, are a reference to the Jōji Abe novel Hei no Naka no Korinai Men-Men.


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