Henry J. Waternoose III, (voiced by Kelsey Grammer) more commonly known as Mr. Waternoose or also simply known by his surname Waternoose, is the main antagonist of Disney•Pixar's 2001 animated film Monsters, Inc.. As the third generation CEO of Monsters, Incorporated, Waternoose devoted his life to ensuring the growth and stability of his company. When Monstropolis falls victim to a widespread energy crisis spearheaded by diminishing returns, Waternoose makes a desperate attempt to save his company by formulating a conspiracy with Randall Boggs that places human children in danger.
He is the former chairman of the company, as well as being the boss and grandfather-figure-turned-archenemy of James P. Sullivan and Mike Wazowski.
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Mr. Waternoose's defeat