Matthew Senreich co-created Robot Chicken with the voice of what Family Guy character?
Matthew Senreich: Matthew Ian "Matt" Senreich ( ; born June 17, 1974) is an American screenwriter, television producer and director, best known for his work with animated television series "Robot Chicken", which he co-created with business partner Seth Green. Seth Green:  Green is also known for his role as Chris Griffin on Fox's "Family Guy" and previously as Daniel "Oz" Osbourne in "Buffy the Vampire Slayer", and "Greg the Bunny".
Chris Griffin