Full-time feline photographer Andrew Marttila from Washington, D.C., captured blissful expressions of various cats on catnip, which he used to compile a book, “Cats on Catnip”. The photographer dedicated his time to capturing the euphoric expressions of kitties high on catnip – and the results are absolutely hilarious. (Photo by Andrew Marttila/Caters News Agency)

A cat Loki with a pair of distinctive fangs has quickly become one of the most famous felines on Instagram thanks to evil-looking face. Loki, who now has more than 23,000 followers online, was adopted from a cat shelter by her owner Kaet, who explained on in a posting that she knows very little about the cat’s distinctive appearance. Adopted from a cat shelter, nothing was mentioned to his owner Kaet about her kitten's unique features.

A woman holds a dressed cat during the exhibition “Autumn-2014” in Minsk, November 23, 2014. (Photo by Vasily Fedosenko/Reuters)

See What Happens when This Cat Enjoys a Less Than Tasty Meal

“Hi! My name is Seiji Mamiya. I hope my cat pictures would make you all happy!”

This hilarious collection of photographs by Daniel Borris ‘captures a broad cross-section of loveable felines practicing yoga that’s sure to claw its way into the affections of animal lovers everywhere. What makes this brand even more unique, is that these are real photos of real cats engaged in real yoga, created using computer wizardry.

The seven-year-old moggy has even been nicknamed Heisenpurrg - a reference to the Breaking Bad character Heisenberg who also sports a goatee. Owner Charlene Dahilig has owned Gary since he was three-weeks-old and he wandered into her backyard in Sacramento, California.