Robert Graff is an associate editor for Warner Bros. Worldwide Publishing. He is responsible for not only the Animaniacs and Pinky and the Brain comics, but also Looney Tunes and several upcoming projects. He began working with the Animaniacs comics starting with #7.
He can be reached by email at <Robert_Graff@WarnerBros.com>. Please don't send him submissions, though, without discussing it with him first.