A cat video sampler

Here’s a variety of cat videos that are racking up millions of views on YouTube.

Henri

Existentialism takes a feline turn. Henri's owner has built a cottage industry around the cat and has a book coming out: "Henrí Le Chat Noir: The Existentialist Musings of an Angst-Filled Cat." Henri's online store sells mouse pads, T-shirts and mugs.

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Henri 2, Paw de Deux

Further adventures with an existentialist cat. Henrí 2, Paw de Deux has been viewed nearly 6 million times on YouTube and won the Golden Kitty award as the world’s favorite cat video.

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Henri 3, Le Vet

Filled with angst and ennui, Henri -- known off screen as Henry -- visits the vet. He is 8 years old and was adopted as a kitten from an animal shelter.

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Thomas Edison - 1894 Boxing cats

The first cat video, created in 1894 by Thomas Edison. Edison’s film studio produced the moving picture for his newly invented kinetoscope called "Prof. Welton’s Fighting Cats."

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A box and Maru

Maru is the most famous cat on the Internet and even has his own agent. A collection of Maru YouTube videos has been seen more than 163 million times, making him the most watched cat in the world.

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Bub

Bub is a dwarf cat with no teeth, stubby legs, deformed paws and enormous eyes. A film crew is following her for a forthcoming documentary.

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Surprised kitty

This adorable video has more than 65 million views.

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Cat mom hugs baby kitten

This video has more than 48 million views.

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Triumphant cat

This video of a cat playing in slow motion was a favorite of the Internet Cat Video Film Festival's creator.

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Deborah Netburn