Calvin drooling and blowing bubbles.

Calvin is a baby monster in the Sesame Street book My Baby Brother Is a Little Monster. Asleep when Big Bird comes over to get Calvin's big brother Henry, he soon wakes up crying and begins to torment Henry.

He knocks over the blocks that he and Big Bird are playing with, yanks Henry's fur, smells bad when he dirties his diaper, and gets food all over everyone at lunchtime.

Delaying their trip to the park, Henry breaks down in tears and wishes that Calvin wasn't around, but at the park he shows tenderness to Henry by uttering his first word, "En-wee."

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