Born: year? month? day? in Argentina
Died: 2010 July day? in ?
Notes: https://luisalberto941.wordpress.com/2020/05/29/julio-cesar-medrano-un-col…
https://luisalberto941.wordpress.com/2013/02/21/las-primeras-historietas-d…
“John Lawrence”, “Rogelio Ramirez”, “Adrián Martinez”, “J. Pérez”, “O. Pérez” o “J. Carman”, "Thaft" y "Jess Mountshire".