Lil Bub is a female “perma-kitten” house cat born with several genetic mutations causing dwarfism, polydactylism and disformed lower jaw. Bub rose to fame online after her owner Mike Bridavsky began uploading videos of her to YouTube in November 2011.

A cat sits on the empty Great Wall on February 23, 2021 in Beijing, China. Affected by the new coronavirus (COVID-19), the number of visitors to Mutianyu Great Wall in 2020 dropped by about 60%. (Photo by Lintao Zhang/Getty Images)

A woman carries her cat as she walks near Kyiv-Pasazhyrskyi railway station in Kyiv in the morning of February 24, 2022. Air raid sirens rang out in downtown Kyiv today as cities across Ukraine were hit with what Ukrainian officials said were Russian missile strikes and artillery. (Photo by Daniel Leal/AFP Photo)

A cat disrupts between Mexico's Tigres UANL and Real Salt Lake during a quarterfinals match as part of the Leagues Cup 2019 at Rio Tinto Stadium on July 24, 2019 in Sandy, Utah. (Photo by Jeff Swinger/USA TODAY Sports)

German flying ace Baron Manfred von Richthofen (1892–1918) also known as The Red Baron with his dog Moritz, circa 1916.

Sunday night, Lauren Watts searches for her dog in Mayflower, Arkansas., after a tornado struck the town. (Photo by Benjamin Krain/The Arkansas Democrat-Gazette)

Dogs perform during “Stars and starlets”, a new programme, at the National Circus in the Ukrainian capital of Kiev April 30, 2015. (Photo by Gleb Garanich/Reuters)

Qian Hao's imported Pekingese dog, Mixiu, runs in a park in Beijing, China, February 8, 2018. (Photo by Thomas Peter/Reuters)