Psyduck is a yellow Pokémon that resembles a duck or bipedal platypus. Three tufts of black hair grow on top of its head, and it has a wide, flat, cream-colored beak and vacant eyes. Its legs, arms, and tail are stubby and its webbed feet are cream-colored. There are three claws on both of its hands.
Psyduck is constantly stunned by its headache and is unable to think very clearly. It usually stands immobile, trying to calm its headache. However, when its headache becomes too severe, it releases tension in the form of strong psychic powers. The use of these powers produces brain waves identical to those seen in sleepers, and the Pokémon is unable to recall these episodes. Psyduck lives in freshwater lakes, small ponds, or rivers in tropical areas.
Major appearances
Misty has a Psyduck that she accidentally caught in Hypno's Naptime. It is a constant source of frustration for her, as it frequently emerges from its Poké Ball to attempt to battle the opponent in substitution of one of her other Pokémon. Despite this, she has been shown to deeply care for it. Despite being generally shown as dimwitted and oblivious, when its headache gets bad enough, it has been shown to use phenomenally powerful Psychic-type moves which far exceed its normal ability.
Other
In Bye Bye Psyduck, a girl named Marina owned a Psyduck that wasn't as dopey as the one Misty had.
In Sitting Psyduck, a Psyduck was owned by a rich girl named Emily. However, the Psyduck didn't like having a pampered life-style and kept running away.
Team Rocket used a Psyduck in their scheme in Not on MY Watch Ya Don't!.
Nine Psyduck appeared in The Psyduck Stops Here!; six parents and three babies. Three of the parents were blocking the path that Ash and his friends tried to pass on their way to Celestic Town. The Psyduck weren't able to return to their real home, Lake Psyduck, due to three Muk.
One also appeared in Meloetta's Moonlight Serenade.
Minor appearances
Two Psyduck were part of an exhibition in Flower Power.
A Psyduck appeared in Beauty and the Breeder where it participated in a Pokémon breeding competition.
A Psyduck appeared in Dueling Heroes.
A Psyduck was used by one of the students of the Pokémon Trainer's School in Gonna Rule The School!.
A Psyduck appeared in Win, Lose, or Drew! as a Pokémon in the Contest.
A boy's Psyduck appeared in Once in a Mawile! when Samantha's Mawile fell in love with it.
A Psyduck appeared in the opening of Lucario and the Mystery of Mew.
Psyduck made a small appearance in The Rise of Darkrai as one of the Pokémon Darkrai hit with a Dark Void.
A Psyduck belonging to a Coordinator appeared in Dawn's Early Night!. It was used along with a Duskull for the Double Performance required during the Hearthome Contest.
Dawn's Piplup spotted a Psyduck in Sleepless In Pre-Battle!.
A Psyduck appeared as a mask for the festival in Capacia Island UFO!.
A Psyduck appeared in Lumiose City Pursuit and Mega-Mega Meowth Madness!, and even in a flashback in Mega Evolution I at Professor Sycamore's lab.
A Psyduck appeared in A Blustery Santalune Gym Battle! and Battling on Thin Ice!.
A Psyduck appeared in Grooming Furfrou!.
Two Psyduck appeared in A Jolting Switcheroo!.
A Psyduck appeared in A PokéVision of Things to Come!.
A Trainer's Psyduck appeared in XY026.
Pokédex entries
Episode
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Pokémon
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Source
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Entry
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EP027
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Psyduck
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Ash's Pokédex
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Psyduck, a Water Pokémon. Uses mysterious powers to perform various attacks. Psyduck constantly suffers from a headache.
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EP032
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Psyduck's attacks
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Ash's Pokédex
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Psyduck's attacks are: Number one: Tail Whip. Number two: Scratch. Number three: Disable. Number four: Confusion. When Psyduck's headache becomes severe, it uses amazing power.
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Episode
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Pokémon
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Source
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Entry
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AG140
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Psyduck
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May's Pokédex
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Psyduck, the Duck Pokémon. Psyduck suffers frequent headaches and can exhibit mysterious attacks when they become especially intense.
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Episode
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Pokémon
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Source
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Entry
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DP087
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Psyduck
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Dawn's Pokédex
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Psyduck, the Duck Pokémon. When a Psyduck's headache gets severe, it starts to exhibit odd powers.
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In the How I Became a Pokémon Card manga
In the How I Became a Pokémon Card manga, a Psyduck appears in Troubled Pokémon, Psyduck.
In the movie adaptations
A Psyduck appears in The Rise of Darkrai where it was one of the Pokémon put to sleep by Darkrai.
In the Pokémon Adventures manga
In the Red, Green & Blue arc, an undead Psyduck that had been brought back to life by a Koga's Gastly appeared in the Pokémon Tower. It first appeared to Red like a normal Psyduck, until it attempted an assault on him: its eyeballs suddenly sunk into its eye sockets and some skin fell off, revealing its bones. Since it was just a mindless undead, it was easily destroyed by Red's Bulbasaur using Vine Whip.
A Psyduck later appeared in Suddenly Suicune III where Crystal fails to catch it.
After several other appearances, a herd of Psyduck appeared, blocking the route to Celestic Town, just as they had in the games. However, included among them were Trainer Pokémon, and this was all a ruse by Team Galactic, which Cynthia catches on to shortly after calming them.
In the Pokémon Pocket Monsters manga
Green's Psyduck debuted in The Big Battle In The Viridian Forest!!.
In the Pokémon Zensho manga
Satoshi has a Psyduck in the Pokémon Zensho manga.
In The Electric Tale of Pikachu manga
- Main article: Misty's Psyduck
Misty's Psyduck makes a small cameo in Pikachu's Excellent Adventure.