Henry J. Waternoose III, more commonly known as Mr. Waternoose or simply Waternoose, is the main antagonist of Disney/Pixar’s Monsters, Inc franchise. He serves as the main antagonist of Pixar's 4th full-length animated feature film Monsters, Inc., a cameo character in Pixar’s 14th full-length animated feature film Monsters University and the unseen overarching antagonist of the 2021 Disney+ TV series Monsters At Work.
The former CEO of the Monsters, Inc, Waternoose is keen to the rule of not bringing children to Monstropolis. Eventually, he is exposed by Sulley, whom he realised that Waternoose used that ruse to keep up the company by all means. He is a bit player in the first Disney Villains War and the second Disney Heroes vs. Villains.
Disney Villains War
In an alternate reality populated by monsters, the corrupt businessman Henry J. Waternoose III sent his employee Randall to find a thief who had been stealing doors that served as interdimensional gateways. Randall accepted, not knowing that Waternoose saw him as a liability and had set him up. The thief turned out to be a powerful monster called Oogie Boogie, who battled Randall in his torture chamber. Randall held Oogie's deathtraps off as long as he could, but was eventually shot and sawed in half.
Disney Heroes Vs Villains War - Part Two
Villains War 4 (Adrian C)
Joining Hades and Oogie Boogie
Hades,thanks Oogie For eliminating Bowler Hat Guy,they are quickly found by Waternoose,whom reveals he watched Oogie's win over Bowler Hat Guy and ask to join his empire, Hades agrees.