| Orc-type Nightmare | |
|---|---|
 Dark type | |
| First appearance | Keroro Gunso the Super Movie 2: The Deep Sea Princess de arimasu! |
| Profile | |
| Species / Type | Alien |
| Occupation | To help Meru and Natsumi. |
Orc-type Nightmare is the larger version of Ark-type Nightmare created by the Mare Ball.
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