When its huge eyes light up, it sings a mysteriously soothing melody that lulls its enemies to sleep. - Red/Blue

When this Pokémon sings, it never pauses to breathe. If it is in a battle against an opponent that does not easily fall asleep, Jigglypuff cannot breathe, endangering its life. - Sapphire

Nothing can avoid falling asleep hearing a Jigglypuff's song. The sound waves of its singing voice match the brain waves of someone in a deep sleep. - Emerald

Jigglypuff possess a vocal range that exceeds 12 octaves, but each individual's singing skill depends on its own effort. - Moon

Recordings of Jigglypuff's strange lullabies can be purchased from department stores. These CDs can be found near the bedding area. - Ultra Sun