Voice actor, Tom Kenny, reviews impressions of his voice. Tom watches some of the most popular impressions of SpongeBob, The Ice King (Adventure Time), The Mayor (Powerpuff Girls), and Heffer (Rocko's Modern Life) on Youtube and gives his opinion on each. Nickelodeon is commemorating the 20th anniversary of SpongeBob SquarePants with a tribute that includes an original one-hour special, SpongeBob’s Big Birthday Blowout premiering Friday, July 12. Still haven’t subscribed to Vanity Fair on YouTube? ►► h
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