Rosa Sisters

From Zelda Wiki.org

The Rosa sisters are a pair of dancers visiting Clock Town to participate in the annual carnival. They are part of the Gorman Troupe.

Link can find them in the Stock Pot Inn or in West Clock Town, practicing in the evenings. The Rosa sisters have trouble coming up with a dance but can shine with the help of Kamaro. You must dance in front of the Rosa Sisters with the Kamaro's Mask on. When Link speaks to them, they mumble in thought, calling one another Marilla and Judo. They are two of few characters who are entirely Terminian - that is, they have no Hyrulian counterpart.