None, the candy bar Fifth Avenue was named after the street, not the other way around.
Butterfinger
The 5th Avenue candy bar.
The Fifth Avenue bar is named after Fifth Ave. in NYC.
5th avenue bar
rockyroad!
The candy bar that can't hold on to anything is Butterfinger!
The Fifth Avenue bar.
That would be the Marathon Bar, manufactured by the Mars candy company.
The Reggie bar was named after Reggie Jackson
The Clark bar
The candy bar you are referring to is likely named Mars bar, named after the planet Mars, which is the fourth planet from the Sun.