Heidi Hynden Walch is a prolific American voice actress, perhaps most well-known for her roles as Starfire, Blackfire, and Madame Rouge from 2003's Teen Titans animated series, as well as reprising those roles in 2013's Teen Titans Go!. In addition, she also provided the voice of Adventure Time's Princess Bonnibel Bubblegum, alongside the English voice of Nia in Season 1 of the anime Tengen Toppa Gurren Lagann.

In Super Robot Monkey Team Hyper Force Go!, she lends her vocal talents to the Skull Sorceress, who takes up the mantle of lead antagonist in the absence of the Skeleton King.

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