Wendy Darling is a character from the Disney film, Peter Pan. She and her siblings make their first appearance in the series in Epic Mickey: Power of Illusion, after Mizrabel sucks them into her Castle of Illusion in Wasteland.
She can be found in the London Skies stage, atop a cloud. To find her, Mickey must ride the clouds while taking out bats and returning her to the Fortress. Once she is in her room, she will request Mickey's assistance with various quests.