 Now, Oscar-winning celebrities clamor to guest star on animated television shows and features (often to the displeasure of dedicated voice actors such as Billy West); however, despite the crushing turnouts at signings for such television series as "Animaniacs", "The Simpsons", and "SpongeBob SquarePants", most voice actors, even in 21st-century animation, continue to work in relative anonymity.Who Ya Gonna Call?