| Pokedex Entries: |
| Red | It uses its powerful tail in battle to smash, constrict, then break the prey's bones. |
| Blue |
| Yellow | Its steel-like hide adds to its powerful tackle. Its horns are so hard, they can pierce a diamond. |
| Gold | It swings its big tail around during battle. If its foe flinches, it will charge with its sturdy body. |
| Silver | Its tail is thick and powerful. If it binds an enemy, it can snap the victim's spine quite easily. |
| Crystal | It uses its thick arms, legs and tail to attack forcefully. Melee combat is its specialty. |
| Ruby | NIDOKING's thick tail packs enormously destructive power. With one swing, it can topple a metal transmission tower. Once this POKéMON goes on a rampage, there is no stopping it. |
| Sapphire |
| Emerald | A NIDOKING's thick tail packs enormously destructive power capable of toppling a metal transmission tower. Once it goes on a rampage, there is no stopping it. |
| FireRed | It is recognized by its rock-hard hide and its extended horn. Be careful with the horn as it contains venom. |
| LeafGreen | It uses its powerful tail in battle to smash, constrict, then break the prey's bones. |
| Diamond | One swing of its mighty tail can snap a telephone pole as if it were a matchstick. |
| Pearl |
| Platinum | One swing of its mighty tail can snap a telephone pole as if it were a matchstick. |
| Stadium 1 | Has a rock-hard hide that is worn like armor. The long horn on its head is sharp and highly venomous. |
| Stadium 2 | It swings its big tail around during battle. If its foe flinches, it will charge with its sturdy body. |
