Though he fights as a southpaw, Rocky writes with his right hand.
His car's registration plate reads "S0THPAW."
Rocky sometimes dons black and gold trunks because they were the colors of the high school he never graduated from.
Though he is responsible for the popularization of the red, white and blue trunks in popular culture, Balboa wore a combination of black and gold for the majority of his career, including the rematch with Apollo Creed.
Rocky defeated 3 previously undefeated fighters: Apollo Creed, Clubber Lang, and Ivan Drago.
Although it is common knowledge that the screenplay for the first movie was the Ail/Wepner fight, Rocky the character is probably a combination of Rocky Marciano, Jake LaMotta, and Joe Fraizer.
The Rocky character is immortalized by a bronze statue erected near the Rocky Steps in Philadelphia recalling the famous scene from the original Rocky movie.
In December 2010 it was announced that the Rocky Balboa character was going to be inducted into the real International Boxing Hall of Fame.