| Pokedex Entries: |
| Red | Protected by an armor-like hide, it is capable of living in molten lava of 3,600 degrees. |
| Blue |
| Yellow | Walks on its hind legs. Shows signs of intelligence. Its armor-like hide even repels molten lava. |
| Gold | Its rugged hide protects it from even the heat of lava. However, the hide also makes it insensitive. |
| Silver | Its brain developed when it began walking on hind legs. Its thick hide protects it even in magma. |
| Crystal | By lightly spinning its drill-like horn, it can easily shatter even a diamond in the rough. |
| Ruby | RHYDON's horn can crush even uncut diamonds. One sweeping blow of its tail can topple a building. This POKéMON's hide is extremely tough. Even direct cannon hits don't leave a scratch. |
| Sapphire | RHYDON has a horn that serves as a drill. It is used for destroying rocks and boulders. This POKéMON occasionally rams into streams of magma, but the armor-like hide prevents it from feeling the heat. |
| Emerald | Its horn, which rotates like a drill, destroys tall buildings with one strike. It stands on its hind legs, and its brain is well developed. |
| FireRed | It begins walking on its hind legs after evolution. It can punch holes through boulders with its horn. |
| LeafGreen | Protected by an armor-like hide, it is capable of living in molten lava of 3,600 degrees. |
| Diamond | Its brain developed after it stood up on its hind legs. Its drill horn bores tunnels through solid rock. |
| Pearl |
| Platinum | Standing on its hind legs freed its forelegs and made it smarter. It is very forgetful, however. |
| Stadium 1 | Protected by an armor-like hide, it can survive in lava over 3,600 degrees. Its horn can bore holes through boulders. |
| Stadium 2 | Its rugged hide protects it from even the heat of lava. However, the hide also makes it insensitive. |
