Roberto Tapia Tom was one of the main artists on the staff of the Chilean horror comics series 'Dr. Mortis' at Editorial Zig Zag and later Quimantú. Tapia started out in advertising art, and then moved on to create such classic 'Dr Mortis' stories as 'La Trampa del Dr. Mortis' (#38), 'Dr. Mortis y el Caserón de las Sombras' (#85), 'Dr. Mortis y el Hijo del Cadáver' (#49), 'Dr. Mortis, Médico de Monstruos' (#91) and 'Taxidermos del Dr. Mortis' (#100).