Amadeo is a character in Anne Rice's (The Vampire Chronicles). Amadeo was born Andrei & later his vampire maker Marius renames him Amadeo. Later in his immortal life he changes his name to Armand for which he is most known throughout the series.
Amadeo is the first name of a famous Portuguese artist from XIX century. He introduced a new kind of painting in Portugal. His name was Amadeo de Sousa Cardoso.