Disappointed Cat aka Foo-Chan is a three-year-old Chinchilla Golden has a heavy-set brow, causing him to appear depressed; his gloomy disposition has gone viral on a Japanese forum, where he's been praised as "cute, but troubled" or "worried all the time".

A Lebanese man carries an injured woman away from the site of a car bomb explosion in a Shiite area and stronghold of the Lebanese militant group Hezbollah at the southern suburb of Beirut, Thursday January 2, 2014. A large explosion has rocked a stronghold of the Shiite Hezbollah group in the southern suburbs of the Lebanese capital. (Photo by Hussein Malla/AP Photo)

In this February 2, 2014 photo, people take pictures inside a cave at Apostle Islands National Lakeshore in northern Wisconsin, which has been transformed into a dazzling display of ice sculptures by the arctic siege gripping the Upper Midwest. (Photo by Brian Peterson/AP Photo/Minneapolis Star Tribune)

American media personality Kylie Jenner has flaunted her perfectly sculpted abs in a white crop top and matching skirt in Los Angeles in the second decade of October 2022 just seven months after giving birth to her son. (Photo by Diggzy/Rex Features/Shutterstock)

Members of the Scottish Chinese community take part in Edinburgh Chinese New Year Festival on January 30, 2022 in Edinburgh, Scotland. 2022 marks the Chinese Year of the Tiger, Chinese New Year in Edinburgh has become one of the largest celebrations of its kind in Scotland. (Photo by Jeff J. Mitchell/Getty Images)

An elephant with a shackled leg is pictured at the Hanoi Zoo in Hanoi on August 16, 2023. Legs in iron chains and unable to roam freely, the treatment of two elderly elephants at the Hanoi public zoo has drawn outrage from animal lovers across Vietnam. (Photo by Nhac Nguyen/AFP Photo)

The snow-capped Etna spews hot lava, near Catania, Sicily island, Italy, 26 November 2023. One of Europe's most active and tallest volcano has erupted again on 25 November 2023. (Photo by Dario Lo Scavo/EPA/EFE)

A Ukrainian serviceman of the 65th mechanized brigade smoke on position of a Soviet-made 2s1 Gvozdyka 120mm howitzer in the Zaporizhia region, Ukraine, 15 November 2023, amid the Russian invasion. Russian troops entered Ukrainian territory in February 2022, starting a conflict that has provoked destruction and a humanitarian crisis. (Photo by Kateryna Klochko/EPA)