Sofie Zamchick (born April 2, 1994) is an indie-pop singer/songwriter and actress. She is best known as the voice of Linny the Guinea Pig on the American animated children's television series, Wonder Pets!. Zamchick attended the Experimental Theatre Wing at NYU's Tisch School of the Arts. She is a versatile musician and plays the marimba, guitar, piano, and various other instruments. Zamchick grew up in Tenafly, New Jersey.