|Voiced by||Nobuo Tobita|
|Species / Type||Viper|
|Occupation||Mother to Viper (son)|
Viper (mother) is a character in Keroro Gunso.
Her first appearance is in episode 109. She first appears where her son meets her in the train, just like Dororo wants to meet his mother after they teamed up fighting the aliens outside of the train.
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