Kleber Gomes Cavalcante (1975), better known by stage names like Criolo Doido or Criolo, is a Brazilian singer of rap and soul.

Criolo began rapping in São Paulo, in 1989, and until the early 2000 was almost unknown. In 2006, he released his first studio album, entitled ''Ainda há tempo'' and founded the Rinha dos MC''s, a place where there are weekly shows, graffiti and photography exhibitions and freestyle.

In 2008, won the "Song of the Year" and "Person of the Year" in the fourth edition of the event "O Rap é compromisso."

To celebrate his twenty year career, he recorded a live DVD in the Rinha dos MC''s, which was released in 2010, called Criolo Doido Live in SP.