Maru, a Scottish Fold cat from Japan, became a global sensation starting in 2008 through the YouTube channel 'mugumogu'. Known for his obsessive desire to squeeze his chunky frame into cardboard boxes of any size, Maru pioneered the 'If I fits, I sits' internet phenomenon. His deadpan expression while wedged into tiny containers or sliding across wooden floors has made him one of the most recognizable pets in digital history. The meme is typically used to represent cozy situations, stubborn determination, or the simple joy of finding a perfect, albeit tight, spot.