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Mr. Grumpy is the grouchiest person in the World. He's almost always in a bad mood, hating anyone or anything he comes across. When he is mean to anyone, Mr. Tickle tickles him, and while it doesn't make him happy, it does make him less grumpy.
Mr. Men/Little Miss
Books: Mr. Men #27
Cartoons: Mr. Men Episode #28 (January 28, 1974)
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