A ghoulish breed of Gitan that has a mostly-translucent body with some parts that are wrapped in burial cloth like a mummy, making it appear to be related to Ghost. It can phase through things just like a Ghost or a Phantom can.
Etymology[]
Boo is an exclamatory word used to startle or frighten, and is often associated with ghosts.
Its Japanes name is Hyūdoron (ヒュードロン).
Data[]
| Game | Description | Image |
|---|---|---|
| Monster Rancher EVO | "A monster that has come form a far East, devoting itself to scaring people. The bandana around its head is a symbol of proof of it winning the championship to scare people." | 
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Obtaining[]
- To obtain a Boo in Monster Rancher EVO, use