Rocky Balboa is loosely based on this American former professional boxer who fought at heavyweight ans was born in what year
Rocky Balboa:  While he is loosely based on Chuck Wepner, a one-time boxer who fought Muhammad Ali and lost on a TKO in the 15th round, the inspiration for the name, iconography and fighting style came from boxing legend Rocky Marciano. Chuck Wepner: Charles "Chuck" Wepner (born February 26, 1939) is an American former professional boxer who fought at heavyweight.
1939