Chasupas are enemies from The Legend of Zelda: A Link to the Past. "Chasupa" is the Japanese name of this enemy; its official name was never released in the English localization of the game.
Chasupas appear as eyes with wings growing out of their sides. They are the Dark World's counterpart of Keese, although some of them are found in Hyrule Castle Tower in the Light World. They are identical to Keese in behavior, waiting for Link to approach, and fluttering towards him to attack. They are fairly weak, being vulnerable to every weapon in Link's inventory.
Chasupas can be viewed as Dark World and Lorulean counterpart to Keese, as they have similar behavior. Also in Breath of the Wild, Keese are depicted as having a single eye, making them resemble Chasupa, which indicates the possibility that Chasupa are a species of Keese or that they are related species.