Red +2: An aggressive POKéMON that is quick to attack. The horn on its head secretes a powerful venom.
Yellow: Its horns contain venom. If they are stabbed into an enemy, the impact makes the poison leak out.
Gold: It raises its big ears to check its surroundings. If it senses any thing, it attacks immediately.
Silver / SoulSilver: Quick to anger, it stabs enemies with its horn to inject a powerful poison when it becomes agitated.
Crystal: It is easily agitated and uses its horn for offense as soon as it notices an attacker.
Ruby / Sapphire: NIDORINO has a horn that is harder than a diamond. If it senses a hostile presence, all the barbs on its back bristle up at once, and it challenges the foe with all its might.
Emerald: Its horn is harder than a diamond. If it senses a hostile presence, all the barbs on its back bristle up at once, and it challenges the foe with all its might.
FireRed: It is easily angered. By swinging its well- developed horn wildly, it can even punch through diamond.
Diamond +6: It has a violent disposition and stabs foes with its horn, which oozes poison upon impact.
HeartGold / X: It raises its big ears to check its surroundings. If it senses anything, it attacks immediately.
Y: An aggressive Pokémon that is quick to attack. The horn on its head secretes a powerful venom.
Omega Ruby / Alpha Sapphire: Nidorino has a horn that is harder than a diamond. If it senses a hostile presence, all the barbs on its back bristle up at once, and it challenges the foe with all its might.
Let's Go Pikachu / Let's Go Eevee: Its horn contains venom. If it stabs an enemy with the horn, the impact makes the poison leak out.
Sword: With a horn that’s harder than diamond, this Pokémon goes around shattering boulders as it searches for a moon stone.
Shield: It’s nervous and quick to act aggressively. The potency of its poison increases along with the level of adrenaline present in its body.
