It takes more than being "man's best friend" to become a true internet sensation - and it certainly helps if the story is picked up by the local news circuit. These animals all made their way to internet stardom by taking the initiative upon themselves to climb to new heights (sometimes literally), touching our hearts on the way.
What makes these stories all the more noteworthy is how the animals' fame was of their own making - be it because of the crazy predicaments that they found themselves in or the unexpected actions they took in response to the world around them - these are the true trailblazers of the animal kingdom.
But which animal sensations are truly the most memorable? Vote up the animals that really made the most out of their precarious situations.
After watching students use money to buy various items, including treats, at a school store in Colombia, this crafty dog named Negro decided to get in on the exchange himself - using leaves the same way students use money. Lucky for him, it worked.
On June 12, 2018, a rather curious raccoon made her way up the side of a St. Paul, MN, skyscraper, finding herself the focus of valiant rescue efforts when she got herself stuck on the ledge of a window on the 23rd floor of the UBS Bank building. Luckily, the raccoon was able to find the courage to reach the roof over night, where she was trapped and brought back to her natural habitat.
In 2016, an octopus known only as Inky made a daring escape from his enclosure at the National Aquarium of New Zealand. What made his escape all the more impressive is that he not only scaled the side of his tank in the dead of night, but proceeded to squeeze into a drainpipe that just so happened to lead back to the ocean.
After a September 2017 earthquake sent Oaxaca into turmoil, Frida - a labrador retriever trained to help in emergency situations - was deployed alongside the Mexican Navy in hopes of rescuing survivors in the rubble.
Seattleites became confounded when this friendly black lab began hopping on the city bus by herself, riding casually to the dog park. It turns out that her owner had trained her to find her way to the park where he would meet up with her later on.
This internet sensation can truly be attributed to luck, as photographer Martin Le-May happened to be out on a walk with his wife near their home in London when they witnessed this curious sight, and managed to snap a quick picture.
In 2003, Harry and Pepper - two male penguins residing at the San Francisco Zoo - made headlines when they began nesting together, and even adopted an egg that had been left behind by another penguin.
In 2012, staff at the Oregon Zoo decided to train Eddie - a senior otter at the facility - to use a toy basketball hoop in hopes of treating his arthritis. Before long, Eddie was slam-dunking his toys on the daily.
In a rather strange turn of events, shoppers at a Canada Ikea were shocked to find a monkey in their midst - sporting a stylish fur coat no less. It turns out the curious macaque, aptly named Darwin, had escaped from a car in the parking lot only to be apprehended at the front door of the Ikea store.
In the dog-eat-dog world that is New York City, this rat - who has since become known as Pizza Rat - proved that the city is hard going for everyone as he attempted to steal away with an entire piece of pizza, only to be documented by an amused passer by.
After seeing a kangaroo going after his pet dog, this man decided to go fist-to-fist with the 'roo, even managing to land a defensive punch - and, of course, it was all caught on film.
When a mariachi band, Mariachi Connecticut, was taking a break while performing at a wedding at the Mystic Marine Life Aquarium, they decided to give a nearby beluga a show of its own.
When a Humboldt penguin at the Tobu Zoo in Japan began expressing interest in a cardboard cutout of anime character Hululu, staff members knew it had to be love.
After correctly predicting Spain's win during the 2010 summer World Cup football final, Paul the octopus earned himself quite the reputation as a clairvoyant sea critter.
When onlookers witnessed a tussle between a wild horse and an alligator at the Paynes Prairie Preserve State Park in Micanopy, FL, the resulting video footage of the incident immediately took the internet by storm.