High Quality Content by WIKIPEDIA articles! Granny is a co-star of many Sylvester the Cat and Tweety Bird animated shorts throughout the 1950s and 1960s, is a Looney Tunes character that was created by Tex Avery. She is the owner of Tweety (and more often than not, Sylvester and Hector the Bulldog). Granny`s voice was first provided by Bea Benaderet from 1937 through 1953. June Foray later took the role and is still providing Granny`s voice as of 2011.