#21: Puss in Boots Shrek 2 → Puss in Boots)
Puss in Boots first appeared as a side character in the beloved animated film Shrek, and not even the first movie, but the second installment. But who could resist those big puppy eyes? We all fell in love with this charming (though sometimes evil) cat, who later got his own spin-off, Puss in Boots, a prequel to the original Shrek movie, which later turned into a film series.
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