Carlos "Rocky" Nilson was born in Montevideo, Uruguay. During his teenage years, he was a hippie addicted to rock music. When he was 15 years old, he moved to Buenos Aires, Argentina. He had success as one of the members of the beat and rock band Los Naufragos but his subsequents works as a solo artist didn't achieved success.In the late 1970s he moved to Europe and he returned to Argentina in the late 80's, where he worked singing commercial jingles.