Nidoking is a large, bipedal, purple Pokémon with distinct reptilian features. It has narrow eyes, large, spiny ears, fur-like tufts on its cheeks, and a short snout filled with pointed teeth. There is a long, venomous horn on its forehead and a ridge of spines down its back. Gray plates cover its chest and belly, and there is a gray, rounded spine on each elbow. Each hand was three claws, while each foot has only a single hoof-like nail. It has a long, powerful tail. This is a male only species; the female counterpart is Nidoqueen.
It is said that Nidoking's tail is capable of toppling a metal transmission tower. Nidoking uses this tail to smash, constrict, or break the bones of its prey and enemies. The tail can also be swung to create distance between it and its foes before Nidoking charges. Its steel-like hide adds to its powerful, rampaging charges. Being the result of an evolution via evolutionary stone, Nidoking is rarely found in the wild, though they can be found in savannas and plains.
Major appearances
A Nidoking appeared in The Battle of the Badge, under the ownership of Gary. He called on him to battle Giovanni's Golem during their Gym battle. Nidoking was shown to have tremendous power as he managed to Tackle Golem head on, launching it across the battlefield, and defeating it in one hit. However, when Giovanni used Mewtwo to battle, Nidoking was no match, and was defeated handily. Nidoking was briefly seen again in The Fourth Round Rumble, battling Melissa's Golem. Unlike his battle with Giovanni's Golem, he was defeated easily.
A pink Nidoking appeared in In the Pink as a resident of Pinkan Island. He attacked Jessie and James as they were attempting to capture a pink Nidoran couple. He was eventually subdued by Officer Jenny.
A Nidoking appeared in Showdown at the Oak Corral, where he was trying to mate with Cassidy, who was in a Nidoqueen costume at the time.
A Nidoking appeared in The Bicker the Better, under the ownership of Oscar. His girlfriend Andi had a Nidoqueen. They had a Double Battle with Ash and May, and due to Oscar and Andi's communication with each other, they were able to defeat Ash and May with relative ease.
A Nidoking appeared in A Pyramiding Rage!, under the ownership of Paul. He was used to battle against Brandon's Registeel. Although he was shown to be powerful and versatile, Registeel was still able to hold its own and brought down Nidoking.
Two Nidoking appeared in Arceus and the Jewel of Life, under the ownership of Damos. In the original timeline set up by the movie, they were used by Damos, who was under Hypnosis, to attack Arceus with Shock Wave. When Ash and his friends traveled to the past to prevent this, Marcus, the one responsible for hypnotizing Damos, managed to use the Nidoking again to attack Arceus.
A Nidoking appeared in Mystery on a Deserted Island! as a resident of the Deserted Island. He was first seen chasing a trio of Eevee before being intimidated into leaving by Pikachu's Iron Tail. He later attacked Team Rocket but was defeated by them.
Minor appearances
Nidoking debuted in A Chansey Operation as a sick Pokémon.
A Nidoking appeared in Meowth Rules!, under the ownership of the Golden Island villagers.
A Nidoking appeared in The Power of One.
A Nidoking appeared in a fantasy in The Rivalry Revival.
A Nidoking appeared in Wired for Battle! as one of the Pokémon seen in Muramasa's dojo.
A Nidoking appeared in Ring Masters as one of the Pokémon competing in Rikishii Town's Sumo Conference.
Multiple Nidoking appeared in Celebi: The Voice of the Forest.
A Nidoking appeared in a flashback in Throwing in the Noctowl as one of the Pokémon defeated by Wings Alexander's then-Hoothoot.
A Trainer's Nidoking appeared in a flashback in As Cold as Pryce. Pryce remembered him as one of the Pokémon that fought against his Piloswine.
A Nidoking appeared in A Claim to Flame!, under the ownership of a female Trainer participating in a qualifying match for the Silver Conference.
A Trainer's Nidoking appeared in Saved by the Beldum, where he was among the Pokémon seen during the Ever Grande Conference. He reappeared in a flashback in Shocks and Bonds.
Multiple Nidoking appeared in Lucario and the Mystery of Mew as part of the feuding armies.
A Nidoking appeared in Odd Pokémon Out! as a resident of Camomile Island.
A Coordinator's Nidoking appeared in Settling a Not-So-Old Score!.
A Nidoking appeared in Pokémon Ranger and the Kidnapped Riolu! (Part 2), under the ownership of J's client's henchmen. He was used to attack Dawn, Brock, Officer Jenny, and Solana.
A Nidoking appeared in Historical Mystery Tour! with a Nidoqueen. They were among the Pokémon Ash encountered in Xatu's Forest.
A Nidoking appeared in the opening sequence of Zoroark: Master of Illusions.
A Nidoking appeared in Cilan's demonstration in Mystery on a Deserted Island!, where he evolved from a Nidoran♂.
A soldier's Nidoking appeared during a flashback in The Legend of X, Y, and Z!.
A Nidoking appeared in I Choose You!, where he was among the Pokémon that were under the control of Marshadow.
Pokédex entries
Episode
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Pokémon
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Source
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Entry
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AG072
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Nidoking
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Ash's Pokédex
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Nidoking, the Drill Pokémon. Nidoking swings its large tail about to create distance, then charges in with the full force of its body behind it.
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Episode
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Pokémon
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Source
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Entry
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DP128
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Nidoking
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Dawn's Pokédex
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Nidoking, the Drill Pokémon. One swing of its mighty tail can snap a telephone pole as if it were nothing but a matchstick.
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