Lucille Bliss, the voice of Smurfette on the cartoon series The Smurfs and of Anastasia in Disney’s Cinderella, has passed away at age 96, Cartoon Brew┬áis reporting. Bliss lent her voice to a number of Hannah Barbara shows over the years, and could also be heard in animated films such as The Secret of NIMH and Robots. For her role as Cinderella’s stepsister, Bliss unfortunately wasn’t credited upon the film’s release. Bliss could also be heard as the voice of Miss Bitters on Nick’s cult TV series Invader Zim!