Carlos Alberto Mestre (born August 3, 1952 in Buenos Aires, Argentina) mostly known by his stage name Nito Mestre, is an Argentine musician, founding member –along with Charly García– of Sui Generis, member of PorSuiGieco, bandleader of Nito Mestre y los Desconocidos de Siempre and a recording solo artist. Sui Generis, was initially formed in 1969 by Charly García (keyboards and vocals), Nito Mestre (guitar, flute and vocals), Rolando Fortich (bass guitar Liam Young (guitar), Alberto Rodriguez (drums) and Carlos Piegari (vocals). Later on, Sui Generis became a duo as everyone left except for García.