Risso was born in :es:Leones |Leones in Córdoba Province, Argentina, and started as a cartoonist in 1981, drawing his first collaborations for the morning newspaperLa Nación and the magazines Eroticón and Satiricón, all published by :es:Editorial Columba|Editorial Columba. In 1986, he worked for Eura Editoriale of Rome, Italy, and in 1987 he drew Parque Chas, scripted by Ricardo Barreiro. The series was first published by Fierro in Argentina and then by Totem in Spain, Comic Art in Italy and finally the complete series as an album in France, Germany, Denmark, Belgium, the Netherlands, Poland and the United States. In 1988, he drew Cain, again scripted by Barreiro. Later that same year, Risso drew Fulù, scripted by Carlos Trillo, published in Italy, France, Germany, Portugal, the Netherlands, and in Argentina in the Puertitas magazine. The Trillo-Risso duo also created Simon: An American Tale, published in Italy and France, Borderline, published in Italy and Chicanos, published in Italy and France. Risso and writer Brian Azzarello launched the 100 Bullets series for Vertigo in August 1999. Azzarello and Risso collaborated on several Batman stories as well including "Broken City" in Batman #620–625 ; a Batman serial for Wednesday Comics #1–12 ; and the Flashpoint: Batman Knight of Vengeancelimited series in 2011. Other projects from the team include Spaceman and the 100 Bullets: Brother Lono limited series. Risso and writer J. Michael Straczynski produced the Before Watchmen: Moloch two-issue limited series in 2013. Paul Dini's graphic novel was drawn by Risso in 2016. He also started work on the Image Comics seriesMoonshine. In 2010 he created the Argentine event :es:Crack Bang Boom|Crack Bang Boom, a comics/Argentine comics, cartoon, cosplay, fantasy and science-fiction convention, which is annually held in the city of Rosario. Hosted and organized by Risso with a group of collaborators and with support from the :es:Anexo:Intendentes de Rosario|Municipality of Rosario, Crack Bang Boom has become the most famous convention of its type in Argentina, as well as one of the most important events for the comics world in South America.
Awards
Risso has won four Eisner Awards for his work on 100 Bullets with Brian Azzarello. He won for the "Best Serialized Story" in 2001; for "Best Continuing Series" in 2002and 2004; and for "Best Artist" in 2002. He won the Harvey Award for "Best Artist" in 2002 and 2003.
