Clemence Vieira of France saves the ball during the women's pool C beach volleyball match between Germany and France at the Paris 2024 Olympic Games in Paris, France, on July 28, 2024. (Photo by Xinhua News Agency/Rex Features/Shutterstock)

Alexis Tauaneai and Keele Browne of the St George Illawarra Dragons tackle Annessa Biddle of the Cronulla-Sutherland Sharks during a rugby league match at WIN Stadium in New South Wales, Australia on August 25, 2024. (Photo by James Gourley/AAP)

Alexander Levine crosses the Verrazzano-Narrows Bridge during the marathon in New York on November 3, 2024. (Photo by Brendan Mcdermid/Reuters)

Actress and singer Rachel Zegler attends the World Premiere of Disney's Snow White at El Capitan Theatre in Hollywood, California on March 15, 2025. (Photo by Rodin Eckenroth/Getty Images for Disney)

Ukrainian state emblem is seen on a gun's holster as soldiers guard naval base in the village of Novoozernoye, some 91 km west of Crimean capital Simferopol, Ukraine, on Monday, March 3, 2014. Ukraine says Russian forces controlling the strategic region of Crimea are demanding that the crew of two Ukrainian warships in Sevastopol's harbor must surrender. (Photo by Ivan Sekretarev/AP Photo)

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!