Cree Summer is a voice actress best known as Penny on Inspector Gadget and Elmyra on Tiny Toons. She also voiced Haggar on Voltron: Legendary Defender, Jessica Jaclyn on Rise of the TMNT, Hyena on Greg Weisman's Gargoyles, She-Hulk on The Incredible Hulk, Max Gibson on Batman Beyond, Vixen on Batman: The Brave and the Bold, Blackarachnia on Transformers: Animated, Glory Grant on Spectacular Spider-Man, Ember on W.I.T.C.H., Panthera on Thundercats, Mary West on Young Justice, Valerie Gray on Danny Phantom and Nebula on Guardians of the Galaxy.