Probably her parents named her and her siblings.
Medusa had no middle name.
Medusa did not have a last name.
Medusa had no middle name.
Medusa is one of the three Gorgons. Medusa is already her real name.
Medusa.
Medusa.
Medusa is her real name.
Medusa did not have a middle name.
Medusa means "queen".
μέδουσα (medusa). That is its (hers) whole name.
Medusa is the Latin/Roman equivalent to the Greek Medousa.
Medusa's roman name was Medusa. Her name was the same, but in latin, it was rondanini.