What actor portrayed the main professional boxer who appeared in the seven movie series, including "Creed" and "Rocky Balboa"?
Rocky (film series): Rocky is a series of boxing films based on the eponymous, fictional character Rocky Balboa, played in each film by Sylvester Stallone. Rocky (film series):  The films by order of release date are: "Rocky" (1976), "Rocky II" (1979), "Rocky III" (1982), "Rocky IV" (1985), "Rocky V" (1990), "Rocky Balboa" (2006) and "Creed" (2015). Rocky Balboa: Robert "Rocky" Balboa is the title character of the "Rocky" series. Rocky Balboa:  The character was created by Sylvester Stallone, who also portrayed him in all seven "Rocky" films.
Sylvester Stallone