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If you were looking for the character with the Japanese name of Leo, see Wes.

Leo (Japanese: ペタシ Petashi) is a recurring character in the Pokémon Adventures manga.


Leo debuts in the Black & White chapter as a competitor in the Pokémon League. After making it through Victory Road, he makes to the quarterfinals as a part of the Top 8. His opponent in this round is Cheren, who manages to easily defeat Leo. Although he lost, Leo congratulates Cheren for his victory, only to have his praise be coldly ignored as Cheren leaves to wait for his next match. Despite this, Leo keeps cheering Cheren on in his next match. He is soon approached by White, who asks him why he continues to support the one who beat him. Due to his inability to talk to girls, Leo is immediately flustered by White's presence and runs off. After regaining some of his composure, he reveals that he wants Cheren to win simply because he lost to Cheren in their match.

During Black's battle with N, Leo joins Cedric Juniper and Looker to assist their ally in battle. Since Cheren lost to Black, Leo states that he wants to help the person who beat the person who beat him in battle. Although they attempt to attack N's Zekrom, it easily defeats their Pokémon and swats them away.

In the Black 2 & White 2 chapter, Leo is a student at the Aspertia City Trainer's School. He shares the class with Lack-Two, Whi-Two, and Hugh, and is shocked to see Cheren as the new teacher there. After causing a commotion with Lack-Two and Hugh, Cheren comes up with the idea to have a battle between the class. Although he managed to make it to the top 8 position in the League, Leo is easily defeated by Hugh.


Here is a listing of Leo's Pokémon.

Leo's Deino
Deino is Leo's only known Pokémon. It was first seen battling a Trainer's Seismitoad at the Unova Pokémon League and won. It faced Cheren's Unfezant in the quarterfinals, but was easily defeated. During the battle with N, Deino was used to attack N's Zekrom, only to be easily swatted away and caught by its Trainer. In the Black 2 & White 2 chapter, it was used to battle Hugh's Trapinch, but was defeated.

Deino's only known move is Bite and its Ability is Hustle.

Debut Hallway Hijinks


Language Name
Japanese ペタシ Petashi

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