Heidi Hynden Walch is an American voice actress, actress, and singer who is most famous for her voice roles as Princess Bubblegum in Adventure Time, Starfire in Teen Titans and Teen Titans Go!, Penny Sanchez in the Nickelodeon series ChalkZone, Ace in Justice League and Justice League Unlimited, and Harley Quinn in The Batman. She is also well-known for voicing Coco Bandicoot in the Crash Bandicoot video game franchise.
Walch's Disney roles include voicing Elsie in Stanley, Euryale in American Dragon: Jake Long, Valeena in Super Robot Monkey Team Hyperforce Go!, and providing additional voices in Tangled. She has various other roles too. She even voiced Princess, a poodle who is Stan's wife in Dog With a Blog.