Hynden Walch is an American actress. She is best known for voicing Starfire in the Teen Titans franchise and Princess Bubblegum in Adventure Time. She also voiced Penny Sanchez in ChalkZone, Amore and Lockette in the Nickelodeon version of Winx Club, Elsie in Stanley, and Yutaka Kobayakawa in Lucky Star. She is the current voice of the Disney character Alice. Outside of animation, Walch has appeared in live-action films like Groundhog Day and Jerry Maguire, and TV series like Law & Order.