| Pokedex Entries: |
| Red | Because it never removes its skull helmet, no one has ever seen this Pokémon's real face. |
| Blue |
| Yellow | Wears the skull of its deceased mother. Its cries echo inside the skull and come out as a sad melody. |
| Gold | If it is sad or lonely, the skull it wears shakes, and emits a plaintive and mournful sound. |
| Silver | It always wears the skull of its dead mother, so no one has any idea what its hidden face looks like. |
| Crystal | It lost its mother after its birth. It wears its mother's skull, never revealing its true face. |
| Ruby | CUBONE pines for the mother it will never see again. Seeing a likeness of its mother in the full moon, it cries. The stains on the skull the POKéMON wears are made by the tears it sheds. |
| Sapphire |
| Emerald | It pines for the mother it will never see again. Seeing a likeness of its mother in the full moon, it cries. The stains on the skull it wears are from its tears. |
| FireRed | It wears the skull of its dead mother on its head. When it becomes lonesome, it is said to cry loudly. |
| LeafGreen | Because it never removes its skull helmet, no one has ever seen this Pokémon's real face. |
| Diamond | When it thinks of its dead mother, it cries. Its crying makes the skull it wears rattle hollowly. |
| Pearl |
| Platinum | When it thinks of its dead mother, it cries. Its crying makes the skull it wears rattle hollowly. |
| Stadium 1 | Always wears the skull of its deceased mother on its head and never shows its face. It cries mournfully in the moonlight. |
| Stadium 2 | If it is sad or lonely, the skull it wears shakes, and emits a plaintive and mournful sound. |
