Nyanko-Sensei is a tiger-striped cat character from the anime *The Funny Judo Champion*. He accompanies protagonist Daizaemon Kaze when Daizaemon moves from the countryside to Tokyo to study judo under Yagoro Ogaki, his late father's friend. Serving as one of Daizaemon's instructors alongside Kikuko Ogaki, Yagoro's daughter, Nyanko-Sensei possesses notable judo abilities including the difficult "triple turn in the air" technique. He functions as Daizaemon's companion and support during the protagonist's adjustment to city life and comedic misadventures. Nyanko-Sensei occasionally engages in mischievous behavior like stealing food such as shrimp, leading to conflicts with Daizaemon. Despite this, he remains loyal. His character integrates into the series' comedy, particularly through interactions highlighting his animalistic traits within human social settings.