Alvarenga was born on May 22, 1911 in Itaúna, Minas Gerais, Brazil as Murilo Alvarenga. He was an actor, known for Abacaxi azul (1944), Laranja-da-China (1940) and Um Anjo Mau (1971). He died on January 18, 1978 in São Paulo, SP, Brazil.