Doutor is a defender of São Paulo FC youth team. He is specialized in competing for low aerial balls, as well as tackling. He and Amaral form a matchless pair of defenders. In Captain Tsubasa 4: Pro no Rival Tachi (SFC) he and Amaral join Cruzeiro. His name means "doctor" in Portuguese, a reference to the Brazilian player Sócrates Brasileiro Sampaio de Souza Vieira de Oliveira.