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Pero is the protagonist of the 1969 film The Wonderful World of Puss 'n Boots (Nagagutsu wo Haita Neko). He is also the mascot of Toei Animation .


Pero is an anthropomorphic cat. His design has been moderately changed from the original film to Dr. Slump Arale-chan to presumably fit the style better.Notable changes are the loss of his black cape, yellow ribbon and his overall colour scheme.


The Wonderful World of Puss 'n Boots[]

Pero becomes an outsider of the feline kingdom after helping out the oppressed mice in a poor village. The Cat King holds an execution for Pero, but he escapes the kingdom while being chased by the king's reinforcements. He meets a young man named Pierre who lives in a humble home with his malevolent older brothers. The brothers kick out Pierre to keep all of their late father's inheritance money to themselves. Pero and Pierre become friends and decide to journey out into the world together to find a new home.

We Don't Need these Cats!![]

While Arale, Obotchaman, Peasuke and Akane are walking about Penguin Village in an attempt to give away kittens of Obotchaman's Cats, Pero runs over while holding a fishing pole. They ask him if he is interested in keeping a kitten, to which he refuses and runs along. It's never said nor shown that this cat is Pero, but the striking resemblance leads this cat to be seen as a cameo of Toei Animation's most prominent mascot.