Gustavo is a minor character who appears only in Book 1 of Breaking Dawn.
In Breaking Dawn, Gustavo accompanies Kaure, his wife, as Bella and Edward Cullen's housekeepers while on their honeymoon on Isle Esme. He is portrayed as a polite and kind person who speaks Portuguese.
He feels often embarrassed by Kaure's superstitions and wants her to be more modern.
Gustavo is a middle aged Brazilian, mentioned to have a round body with copper skin, dark eyes and grayish hair. His face is creased with lines, like his wife. In the movie, he has a goatee.