It is a surname of Italian origin. Last name of a great Argentine scientist, dedicated to Physics and Astronomy. Its full name was Ramón Enrique Gaviola . Gaviola (or gabiola), is another of the names given to soursop (tree and fruits), especially in Bolivia. It is also called graviola, paw, Brazilian paw, catuche, guanaba, head black, yaca, sagua-sagua. Its scientific name is Annona muricatan and belongs to the family Annonaceae. It has medicinal uses and they say it cures various types of cancer.