Born in Buenos Aires, Carlos Trillo began a prolific career as writer at the age of 20, penning his first story for Patoruzu magazine. Trillo, together with Horacio Altuna, created the strip El Loco Chavez, which appeared every day at the back of the newspaper Clarin from July 26, 1975 to November 10, 1987. After that, the strip was replaced by El Negro Blanco, which he wrote for the artist Ernesto Garcia Seijas until September 1993. He participated in the creation of several comics including his most notable work, Cybersix, in 1992, with Carlos Meglia, and the Clara de noche and Cicca Dum Dum series with Jordi Bernet. Trillo died in 2011 while on holiday with his wife. Domingo Roberto Mandrafina debuted in 1969 on the magazine Patoruzito. Two years later he illustrated the science fiction series Samos, written by Jorge Morhain for the magazine Billiken. In 1972 Mandrafina started his collaboration with Editorial Columba and the review Top. In 1978, he started illustrating the series Savarese, written by Robin Wood, published in the magazine D'artagnan. Later he worked for Ediciones Record (Lady Shadow and El condenado). His other works include Dragger (written by Carlos Trillo), Cosecha verde and Race of Scorpions, for the publisher Dark Horse Comics.