In the 1976 film Rocky, Sylvester Stallone plays the boxer Robert Balboa. The character is almost always called Rocky, making his formal first name less familiar to casual viewers.
Rocky is a club-level heavyweight from Philadelphia who receives an unexpected opportunity to fight Apollo Creed after the scheduled challenger is injured. His journey is built around discipline, self-respect, and the chance to prove that he can go the distance.
The name Robert Balboa remains consistent across the Rocky series and the later Creed films. “Rocky” is a nickname rather than his legal first name, and “Balboa” is the character’s family name.
Viewers sometimes assume that Rocky’s first name is simply Rocky because the films use it so frequently. The full name is also distinct from Sylvester Stallone’s own name; Stallone created the character but did not portray himself.