Funny Cats: 8 Videos That Show Cats Have an Evil Side

While the majority of cat videos show furry felines at their cutest and most adorable, some depict an evil side, such as growling, hissing, and scratching the people they love.

Here are eight examples:

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1. Cats prefer to roam freely throughout their world and don't take well to cages. This video, posted on Sept. 4, 2006, and viewed by nearly 3.9 million viewers, demonstrates a cat's potential to spew venom.



2. In the video "Psycho Cat Beats Up on Vet," a terrified Lucas fights back when getting his shots. His anxiety is palpable.



3. Cats sometimes have difficulty recognizing themselves in a mirror, which can lead to an ugly standoff.



4. Some cats are just plain angry.



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5. More than 2 million people viewed "Ahi the Terror —Angriest Cat EVER!" from Feb. 18, 2009, and felt his wrath.



6. When certain cats get angry, look out.



7. A video titled "The Most Evil Cat in the World," from May 2010, shows a poor feline in multiple stages of duress, all for the amusement of those holding the camera.



8. On Jan. 28, 2014, a fierce battle with a mailman featured funny moments, and wound up on "America's Funniest Home Videos."



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