Favonius was also a Roman nomen.
No doubt inspired by the tombstone, the computer game Dark Ages of Camelot[?] features a powerful undead monster named Favonius Facilis.
... - Juan Manuel Fangio, (Argentina) 1958 - Maurice Trintigant[?], (France) 1959 - Jack Brabham, (Australia) 1960 - Stirling Moss, (United Kingdom) 1961 - Stirling Moss, ...