Cannavale confirmed the news Friday during his appearance on Late Show with Stephen Colbert, saying Byrne gave birth to a baby boy on Feb. 1 The couple named their baby Rocco after the patron saint of the sick, or "patron saint of made guys," as Cannavale joked. The 45-year old actor also revealed that his idol-turned-card-playing-buddy Al Pacino sent the couple a diaper cake to celebrate Rocco's arrival.