Manuel João Gonçalves Rodrigues Vieira (Lisboa, October 17, 1962) is a Portuguese musician, painter and teacher.He is the oldest son of the Portuguese painter João Rodrigues Vieira and studied at the School of Fine Arts in Lisbon.He was a member of the Homeostetic movement, together with Pedro Proença, Pedro Portugal, Ivo Silva, Xana and Fernando Brito. He is currently a professor at the School of Fine Arts and Design of Caldas da Rainha, integrated in the Polytechnic Institute of Leiria. Founder and vocalist of the bands Ena Pá 2000, Brothers Catita and Hearts of Atum, created and embodied several characters on stage, such as Lello Universal, Lello Minsk, Lello Marmelo, Elvis Ramalho, Orgasmo Carlos, Catita, among others.In 2008, his fictional biography was the subject of a series of six episodes, entitled Mundo barita, having been transmitted in RTP2.The series was edited in DVD in 2009 and, published in SIC Maximian 2011 at the Sic.