Viper (son)
Poyon, Keroro, Tamama, Giroro, Dororo and Viper in episode 109
Gender Male
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Viper (son) is a character in Keroro Gunso.


He first appeared outside of the train, battling Dororo. After the battle, he tells Dororo that he wants to meet his mother, Dororo has a similar reason as well, so they teamed up and search for their mothers.

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