Top Definition
An alien frog who wants to conquer earth with Keroro, Tamama, Giroro, and Dororo. He is incredibly smart, but sadistic, and has a twisted and dark sense of humor. His laugh, which is heard MANY times, sounds like "Ku ku ku!"
Kururu: Ku ku ku! Oh, I do love ruining childrens' favorite holiday! It just feels so RIGHT!
by Wafflepal July 05, 2011

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