| Pokedex Entries: |
| Red | The body is soft and rubbery. When angered, it will suck in air and inflate itself to an enormous size. |
| Blue |
| Yellow | Its body is full of elasticity. By inhaling deeply, it can continue to inflate itself without limit. |
| Gold | Their fur feels so good that if two of them snuggle together, they won't want to be separated. |
| Silver | It has a very fine fur. Take care not to make it angry, or it may inflate steadily and hit with a Body Slam. |
| Crystal | The rich, fluffy fur that covers its body feels so good that anyone who feels it can't stop touching it. |
| Ruby | WIGGLYTUFF has large, saucerlike eyes. The surface of its eyes are always covered with a thin layer of tears. If any dust gets in this POKéMON's eyes, it is quickly washed away. |
| Sapphire | WIGGLYTUFF's body is very flexible. By inhaling deeply, this POKéMON can inflate itself seemingly without end. Once inflated, WIGGLYTUFF bounces along lightly like a balloon. |
| Emerald | Its fur it the ultimate in luxuriousness. Sleeping alongside a WIGGLYTUFF is simply divine. Its body expands seemingly without end when it inhales. |
| FireRed | Its fur is extremely fine, dense, and supple. The exquisitely pleasant fur conveys an image of luxury. |
| LeafGreen | The body is soft and rubbery. When angered, it will suck in air and inflate itself to an enormous size. |
| Diamond | Its fine fur feels sublime to the touch. It can expand its body by inhaling air. |
| Pearl |
| Stadium 1 | Its soft and supple skin allows it to expand like a balloon. If it gets angry, it inhales and inflates itself steadily. |
| Stadium 2 | Their fur feels so good that if two of them snuggle together, they won't want to be separated. |
| TCG | Dark Wigglytuff: This Pokémon has soft, fine hair. When angered, it increases in size and has been known to charge those it considers a threat. |
| Light Wigglytuff: If two of them brush against each other, they will not be able to separate themselves, as they enjoy touching each other's soft fur too much. |