List of characters by alphabet

A

 * Ash from Sing (2016)
 * Ash Ketchum from Pokémon the Series (1997-2000s?)

F

 * Felix the Cat from Felix the Cat Classic Shorts (1919-1936), Felix the Cat (1958-1962) and 'The Twisted Tales of Felix the Cat'' (1995-1997)

R

 * Rosco from The Twisted Tales of Felix the Cat (1995-1997)