“A fair, golden-haired little man who lures children away from their naps with the gleam of his magic wand.”
The most beautiful monster in Guaraní mythology does his hunting at noon. Jasy Jateré — 'a little piece of the moon' — is the fourth son of Tau and Kerana and the only one of the seven born without a monster's body: a small, fair, golden-haired figure, naked, sometimes blue-eyed, carrying the golden staff that is the source of all his power. He is the lord of the siesta, and the children who will not sleep through it are his to find.
Across Paraguay and the Guaraní-speaking world, the rule survives to this day: children nap during the siesta, because that is when Jasy Jateré walks. Normally invisible, he shows himself only to the children he catches awake, and one look at his shining staff drops them into a trance. What happens next depends on who is telling it — and the range runs from wild honey and games to the jaws of his man-eating brother Ao Ao.
The Legend
He is the fourth-born of the seven cursed by the goddess Arasy after Tau stole Kerana, and his fairness is the curse's strangest expression. In the gentle tellings, Jasy Jateré is almost a friend: he leads the entranced child into the forest, feeds it wild fruit and honey, plays with it through the hot hours, then sends it home with a magical kiss that erases all memory of the afternoon. The child wakes as if from its nap, knowing nothing at all of where it has been.
The dark tellings are another matter. There, the taken children are blinded, or imprisoned in caves, or handed to his brother Ao Ao, the devourer — and his whistle in the noon quiet is enough to empty a village street. Both versions agree on the essentials: the invisibility, the staff, the trance, and the appetite for children found awake when all of Paraguay is meant to be sleeping.
The Record
The cycle of Tau and Kerana's seven sons is the best-preserved core of Guaraní oral mythology, and ethnographic accounts rank Jasy Jateré among its most important figures — still actively believed in parts of rural Paraguay in modern times. His name is pure Guaraní, glossed as 'a little piece of the moon,' and his file includes duties beyond abduction: he is the protector of the yerba mate plant and, in many tellings, the guardian of hidden treasures.
Collectors of the legend record a remarkable coda: the staff is everything. A person who manages to snatch it leaves the lord of the siesta helpless — he breaks down and cries like a small child — and the thief can bargain the staff back against the treasures he guards, a negotiation folklorists compare directly to catching a leprechaun. Power, in his story, is entirely portable, and the monster without his wand is only a weeping boy.
The Lore
The myth is a machine for enforcing the siesta. Parents still teach children to sleep through the hot hours specifically so that Jasy Jateré will not find them, which makes him one of folklore's few bogeymen assigned to a time of day rather than to the dark. His other portfolio ties him to the plant at the center of Paraguayan daily life: the golden child of the forest is the appointed guardian of yerba mate itself.
Spellings shift across the region — Jasy Jateré, Yasy Yateré — and the outcomes for his children shift with them, from a memory-erasing kiss to blindness and a cave. He remains everywhere in Paraguayan culture: in children's warnings, in legend collections, and in the siesta itself, which keeps his name alive every single noon. Among the seven brothers he is the unsettling one — the monster whose curse was to be lovely.
Field Notes
- ✦ His golden wand or staff is the source of his power; stolen, it leaves him weeping like a child.
- ✦ Children who skip the midday siesta are his particular targets.
- ✦ The fairest of the seven cursed brothers, in contrast to his monstrous siblings.
- ✦ His name is Guaraní for 'a little piece of the moon'; he also guards yerba mate and hidden treasures.
- ✦ Dark variants have him blind captives, imprison them in caves, or hand them to his brother Ao Ao.
Case File
- Classification
- Guaraní monster (fourth son of Tau and Kerana)
- Category
- Little People/Fae
- Territory
- Paraguay (Guaraní heartland)
- First Sighted
- Guaraní mythology
- Habitat
- Fields and forests during the midday siesta
- Reported Size
- Small, child-like
- Also Known As
- Yacy Yatere · Lord of the Siesta