Light Blue type
|First appearance||Keroro Gunso the Super Movie 2: The Deep Sea Princess de arimasu!|
|Species / Type||Alien|
|Occupation||To help Meru and Natsumi.|
This is one of Meru's royal minions. There are four of them in his army.
According to Maru, Ark-type Nightmare was summoned using the Mare ball.
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