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(イサオ Isao)
Gender: Male
Hometown: Sunburst Island
Region: Orange Islands
Family: Marissa (Sister), Unnamed/deceased Grandpa
Class: Pokémon Trainer
Friends: Ash, Misty, Tracey
First Appearance: The Crystal Onix
Voice actor: Scottie Ray

Mateo is a character appearing in Pokémon: Adventures in the Orange Islands.


Season 2: Adventures in the Orange Islands

Mateo runs a glass and crystal shop on Sunburst lsland. His little sister Marissa lives with him and helps him run the shop. When Ash and his friends met him, he wasn't feeling very well and didn't want to make glass anymore which was hurting their business. Mateo told Ash that his creations just didn't have the spark that his Grandpa's Pokémon statues had. Mateo said he just needed some kind of inspiration and he hoped that capturing the Crystal Onix would be that spark.


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Smeargle XY

On hand

Pokémon Information
Mateo Cloyster
Mateo used this Cloyster to battle the Crystal Onix. However, Onix was not weak against Water-type attacks and defeated Cloyster with ease.
Pokémon Information
No Image
Mateo uses this Charmeleon for the sole purpose of forging glass art.


Pokémon Information
No Image
Mateo aimed to capture the Crystal Onix, but let it go when it got its inspiration back.
Crystal Onix

Episode appearances

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