Hynden Walch

Heidi Hynden Walch (born February 1, 1971) is an American voice actress, singer and actress. She is best known for voicing Princess Bubblegum in Adventure Time, Starfire in Teen Titans, Penny Sanchez on the Nickelodeon show ChalkZone, Elsie on the Disney Channel show Stanley, Ace in Justice League and Justice League Unlimited, Harley Quinn in The Batman, and in anime, she has voiced Amy Stapleton in IGPX, Emiri Kimidori in The Melancholy of Haruhi Suzumiya, Yutaka Kobayakawa in Lucky Star and Nia Teppelin in Tengen Toppa Gurren Lagann.

Involvement in Rook & Ted
In Rook & Ted, Hynden did the voices of Yufu Sekka & Maria Fuwa.