Heidi Hynden Walch
(born February 1, 1971). Known Professionally as Hynden Walch
, is an American voice actress. One of her most notable roles is Starfire
in Teen Titans
and subsequently Teen Titans, Go!
. She also voiced Penny Sanchez on the Nickelodeon
and Elsie on the Disney Channel
Along with her Teen Titans co-stars, she voiced a member of the Royal Flush Gang, Ace, in the Justice League Unlimited episode "Wild Cards". She also played Harley Quinn in The Batman episode "Epilogue". She has more recently provided the voice of Princess Bubblegum in Adventure Time.