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Ash's Leavanny

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Ash's Leavanny
サトシのハハコモリ Satoshi's Hahakomori
Ash Leavanny
Trainer: Ash Ketchum
Gender: Male[1]
Ability: Swarm (As a Sewaddle and as a Leavanny)
Debut: Sewaddle and Burgh in Pinwheel Forest!
Episode captured: Sewaddle and Burgh in Pinwheel Forest!
Caught where: Pinwheel Forest
Current location: Professor Oak's Laboratory
Evolved: 7 episodes as a Sewaddle (including 2 unaired episodes)
51 episodes as a Swadloon
Evolves In: Battling for the Love of Bug-Types!
Battling the Leaf Thieves!

This Leavanny is a Bug/Grass-type Pokémon owned by Ash. It is the sixth Pokémon captured by Ash in Unova.


As a Sewaddle and Swadloon, he was naughty and doesn't like to give up. However, after he evolves, he begins to like smaller Pokémon in the team and starts to take care of his friends.


Leavanny first appeared as a Sewaddle in Sewaddle and Burgh in Pinwheel Forest!, when Ash and his friends were travelling through Pinwheel Forest. Ash attempted to capture Sewaddle after it attacked Pikachu, but Sewaddle ran away before he could. Sewaddle knocked Ash to the ground when the gang met Burgh. It was then revealed that Burgh was accompanying Sewaddle through the forest.

Sewaddle initially disliked Ash, but came to like him once Ash protected him from an Air Slash. Sewaddle then teamed up with Pikachu to launch a Thunderbolt-Razor Leaf combo in order to scare away the Woobat. Later, Sewaddle got stuck to a wild Deerling and thrown into a river. Ash dove in to save him and the two were rescued by Burgh's Leavanny. Sewaddle was extremely grateful to Ash and allowed him to capture it. Due to the fact that Ash already had six Pokémon on his team, Sewaddle's Poké Ball sealed itself. In order to make room for Sewaddle, Ash sent Pidove to Professor Juniper's lab.

In A Connoisseur's Revenge!, Ash wanted to meet with a Pokémon Connoisseur so they could determine how compatible he and Sewaddle were. He showed it to Burgundy, a C-Class Connoisseur. She said that Sewaddle's ability was Swarm, however she believed that Ash should have a Sewaddle with Chlorophyll and told him he had to replace it. Sewaddle then proceeded to use String Shot on her in anger.

In The Lost World of Gothitelle!, Ash sent Sewaddle to Prof. Juniper's lab in exchange for Pidove.

Sewaddle returned and battled against Burgh's Dwebble in Battling for the Love of Bug-Types! and defeated it. He then went on to battle his Whirlipede and evolved into Swadloon after being hit by a powerful Solar Beam, learning Energy Ball in the process. After defeating Whirlipede, Swadloon went up against Burgh's Leavanny. As Leavanny is its evolved form, Swadloon was defeated easily.

In Battling the Leaf Thieves!, Swadloon evolves into a Leavanny in a battle against Iris' Emolga, and gained a habit of making clothes out of leaves.

In BW086: Rocking the Virbank Gym! (Part 1), Ash used Leavanny to battle Roxie's Koffing. Even though it was at a type-disadvantage, Leavanny managed to knock out Koffing with Energy Ball after using String Shot to spin it around. He stayed in to battle Roxie's Scolipede and got badly poisoned by Scolipede's Toxic. The battle continues in Rocking the Virbank Gym! (Part 2), where Leavanny's Energy Ball misses Scolipede and Scolipede defeated Leavanny with Sludge Bomb and Rock Tomb.

In BW108: Strong Strategy Steals the Show!, Ash used Leavanny to battle against Stephan's Sawk. Despite that Sawk's attacks did barely enough damage, Leavanny's ability Swarm had got activated boosting its Bug Type moves like String Shot and X-Scissor, but was taken down by Sawk's Karate Chop.

Known moves

Move Episode
Ash Leavanny Energy Ball
String Shot + Sewaddle and Burgh in Pinwheel Forest!
Razor Leaf + Sewaddle and Burgh in Pinwheel Forest!
Tackle Sewaddle and Burgh in Pinwheel Forest!
Bug Bite Sewaddle and Burgh in Pinwheel Forest
Energy Ball + Battling for the Love of Bug-Types!
X-Scissor + Strong Strategy Steals the Show!
+ indicates this Pokémon used this move recently.*
- indicates this Pokémon normally can't use this move.

Improvised moves

Voice actresses


  • Leavanny is both Ash's fourth Bug-type Pokémon and his first Grass-type that is not a Starter Pokémon.
  • Leavanny, as a Sewaddle, is the first of Ash's Pokémon to evolve during a Gym battle; the others were Boldore and Unfezant.
  • Leavanny is Ash's only Bug-type Pokémon to have activated his ability.


Click on the images to enlargen them.


  1. ^ BW028: Emolga and the New Volt Switch!, Leavanny was hit by Iris' Emolga's Attract

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