Olivia Rose Olson is an American actress and singer-songwriter.

For Disney she voiced Vanessa Doofenshmirtz on the Disney Channel animated series Phineas and Ferb. She is also best known for voicing Marceline in Adventure Time. She has sung multiple songs as Vanessa on Phineas and Ferb, including a catchy duet called Busted with co-star Ashley Tisdale. She also sung I'm Lindana and I Wanna Have Fun!, as Linda Flynn and Ready for the Bettys as The Bettys.

Disney Roles


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