Ph 03
First appearance Keroro Land Volume 31
Gender Male
Species / Type Keronian
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Rububu (ルブブ) is character from Keroro Land. He is a Rubik's cube-like Keronian.


A unique Keronian designed after a Rubik's cube. He has said object as a head and he has four faces.


Rububu's name comes from the word, Rubik's cube.

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