Sofie Zamchick (born April 2, 1994) is an American singer, songwriter, actress, and voiceover artist. She is best known as the voice of Linny the Guinea Pig on the American animated children's television series, Wonder Pets!. Zamchick attended Juilliard Pre-College throughout high school and 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.