Premise: Mario Sclaniza (1927–1993) - sometimes spelt Sclanizza - was an Italian actor and producer who worked in film and theatre for four decades, starting as a child actor in the 1940s mainly in films starred in by his father, Umberto Sclanizza. The patriarch of this prolific Italian acting dynasty often found roles for his children Mario and Scilla Sclanizza.
Hypothesis: Mario Jr. is more handsome than his father.