Dr. Nefario, Despicable Me
Comedian Russell Brand is the man behind Gru's nemesis Dr. Nefario.
Yzma, The Emperor's New Groove
You may have missed the nod to Eartha Kitt's role as Catwoman when, at the end of this film, her evil Yzma turned into a kitten.
Mickey Mouse
Walt Disney himself voiced the character he created for almost 20 years, but was then replaced in 1946 by Jimmy MacDonald after the former became too busy.
Buddy, The Secret Life of Pets
Comedian and Broad City alum Hannibal Buress brings the laughs at Buddy in Pets.
Buzz Lightyear, Toy Story
Tim Allen took the role of Buzz Lightyear after Chevy Chase turned it down.
Remy, Ratatouille
The one and only Patton Oswalt is the voice behind the rat who can cook better than most French folks.
Lucius Best/Frozone, The Incredibles
Before he was helping out the Avengers as Nick Fury, Samuel L. Jackson was yelling at his wife to help him find his super suit!
Penny, Bolt
Miley Cyrus once gave her voice to animal-lover Penny in Bolt.
Mr. Incredible, The Incredibles
Coach himself, Craig T. Nelson, spent over two years recording his part of Mr. Incredible.
Sulley, Monsters, Inc.
John Goodman not only voiced Sulley in both Monsters, Inc. and Monsters University, but he also played the part of Pacha opposite David Spade in The Emperor's New Groove.
Mike Wazowski, Monsters, Inc.
Before Billy Crystal took on the role of monster Mike, he was offered the part of Buzz Lightyear in Toy Story.
Elsa, Frozen
Idina Menzel auditioned for the role of Rapunzel in Tangled, but lost out to Mandy Moore. However, the creators of Frozen saw her audition and that's what led to her getting the role of Elsa.
Mulan, Mulan
Ming-Na Wen went on to play another totally badass woman: She starred in ABC's Marvel series Agents of S.H.I.E.L.D. as agent Melinda May.
Flynn Ryder, Tangled
Chuck star Zachary Levi auditioned for the role of the thief with a heart of gold in a British accent, but it was dropped once recording began.
Anna, Frozen
Kristen Bell has said that her life-long dream was to be a Disney princess, and with sweet but naïve Anna, she got her wish!
Princess Tiana, The Princess and the Frog
Anika Noni Rosa was later nominated for a Tony for her role in the revival of A Raisin in the Sun, also starring Denzel Washington.
The Genie, Aladdin
The late Robin Williams reportedly improvised his lines as the Genie so much that Disney had almost 16 hours of material to use.
Esmeralda, The Hunchback of Notre Dame
Demi Moore voiced the enchanting Esmeralda, who also happens to be the first Disney "princess" to have green eyes.
Mrs. Potts, Beauty and the Beast
Angela Lansbury originally did not want to do the singing for the ballad "Beauty and the Beast," but producers had her record it anyway. Her version is the one that ended up in the film.