Acrobat, juggler, dog trainer, equilibrist, actor. He was born and brought up at Circo-Teatro Bibi and belongs to the second generation of artists in the family. His parents are Arnaldo José dos Santo and the aerial artist Benedita Marina dos Santos (Minas Gerais, Brazil, 1931). He started acting when he was six. Four peolpe influenced him in the beginning of his artistic career, his father, who taught him juggling acts; Gibi Savala (acrobatics), Rogério Sá (perch) and Mauro Chagas (acting). He performed at Rogoletto, Garcia, Baunken, Spadoni, Robattini(owned by Roberto and Henrique), Royal (owned by José Wilson), Di Roma and Spacial. He also worked as a circus instructor for young students at Fundação Criança in São Bernardo, São Paulo. Maurício married Neuza Aparecida Marceneiro. Of their five children, two are contortionists, Michele Suelen and Pamela Suelen dos Santos.