They are divided into groups including "Rada" and "Petro."
A husband and wife pair of these figures are considered to be the first priest and priestess. One of these figures is said to have been the woman who sacrificed a black pig in a 1791 ceremony sometimes described as a pact with the devil. These figures are classified into families known as nanchons. They live in a place called Vilokan, which can be accessed by one of them who can speak all human languages. They are invoked in rituals in which they are represented by symbols called veves. They are divided into groups including "Rada" and "Petro." These figures, which can be summoned by priests called houngans, include Maman Brigitte, Papa Legba, and Baron Samedi. For 10 points, name these voodoo spirits.
A husband and wife pair of these figures are considered to be the first priest and priestess.
loas [prompt on things like voodoo spirits]