Members of the Washington Commanders Command Force dance during a timeout against the Seattle Seahawks during the second half at Northwest Stadium in Landover, Maryland on November 2, 2025. (Photo by Geoff Burke/Reuters)

Torchbearer Hou Bin runs with his torch during the Beijing 2022 Paralymic Torch Relay and Flame Lighting Ceremony at the Temple of Heaven park in Beijing, capital of China, March 2, 2022. The flame for the Beijing 2022 Winter Paralympic Games was collected at eight locations in Beijing and Zhangjiakou. Each collection is followed by a relay of no more than 20 torchbearers on-site before the gathering of nine flames at the Temple of Heaven. (Photo by Xinhua News Agency/Rex Features/Shutterstock)

Figure skating couple Madison Chock and Evan Bates, of the USA, practice their dance routine during a training session at the 2022 Winter Olympics, Thursday, February 3, 2022, in Beijing. (Photo by Natacha Pisarenko/AP Photo)

Jamaica's Tissanna Hickling competes in the Women's Long Jump heats at the 2019 IAAF Athletics World Championships at the Khalifa International stadium in Doha on October 5, 2019. (Photo by Dylan Martinez/Reuters)

Director Rian Johnson takes a photo of cast member Janelle Monae at the premiere for the film Glass Onion: A Knives Out Mystery at the Academy Museum of Motion Pictures in Los Angeles, California, U.S., November 14, 2022. (Photo by Mario Anzuoni/Reuters)

Isabeau Levito, of the United States, reacts at the end of her short program at the world figure skating championships in Montreal, Wednesday, March 20, 2024. (Photo by Graham Hughes/The Canadian Press via AP Photo)

Over just 18 months, Sir Charles Barkley, a French bulldog from Seattle, Washington, has become an internet sensation. His daily photos have attracted him an Instagram following of more than 115,000 fans. Photo: Sir Charles Barkley enjoys some play park time. (Photo by Caters News)

With more than 40,000 followers on Twitter and 26,400 fans on Vine, it looks like Marutaro the hedgehog from Japan is one of the most popular hedgehogs on the Internet. And as his owner keeps on posting Marutaro’s pictures online daily, Marutaro’s popularity continues to grow. There are hundreds of cute photographs and videos of this little fellow, but the ones with little paper cut-out faces are probably the cutest. As Marutaro lies on his back, his owner gives him a variety of silly expressions and smiles. The 20 best of them will definitely boost your mood!