Melissa Fahn is an American actress and singer, best known as the voice of Gaz Membrane in Invader Zim, as well as Hello Kitty in Hello Kitty's Paradise and voicing many anime and video game characters like Edward from Cowboy Bebop, Neptune from Hyperdimension Neptunia and Rider and her various other incarnations in the Fate stay/night franchise. She starred in the Broadway performance of Wicked and various theatre projects in Los Angeles.