Futoshi Kosugi is a male third-grade student who lives in Ohno-kun's neighborhood. He is a portly boy defined by his insatiable appetite, making him a notorious glutton. His personality centers entirely around food, leading to self-centered and brazen behavior whenever it's involved; his appetite remains unchecked. Lunchtime is his favorite part of the school day. Remarkably, he can materialize instantly if food is mentioned, no matter where he was before. He possesses no food dislikes and maintains zero tolerance for lies about food. He features in the movie *Eiga Chibi Maruko-chan: Italia kara Kita Shōnen*.