#9 – Pedro Filho
Pedro Filho is a Brazilian born serial killer nicknamed ‘Pedrinho Matador’ meaning Little Peter the Killer. In 2003 he was convicted of murdering at least 71 people and was sentenced to 128 years in prison. Filho tended to choose his victims based on the motive of revenge. He killed his father in prison after his father killed his mother with a machete. Pedro cut out his father’s heart and ate a piece of it.