Walter Fahrer studied Fine Arts in Buenos Aires before making his professional debut in 1957. He did several cover illustrations for publisher Lainez before he created his first comic, 'Tee Howard', for the same publisher. Afterwards, he illustrated several stories with 'Ernie Pike', with scenarios by Oesterheld, in Hora Cero. In 1959 he was one of the co-founders of the magazine Fuego, where he also started to write his own scenarios again. For the publisher Abril, he drew 'Nat Mandell' in Misterix and Rayo Rojo, and for Divito, he did many short stories.