Plot: Billy West breaks down his most iconic character voices, including his voices in 'The Ren & Stimpy Show,' ‘Doug,' ‘The Woody Woodpecker Show,' Philip J. Fry, Professor Farnsworth, Zoidberg, and Captain Zapp Brannigan from ‘Futurama,’ Bugs Bunny and Elmer Fudd from ‘Space Jam,’ Red from the M&M’s commercials, and much more