Oden-kun is a male adult stage character that appeared on the Oden-Kun Tamagotchi. Oden-kun is the main character of Oden-Kun, a Japanese cartoon for children.
In the cartoon, Oden-kun appears to be somewhat based off a sumo wrestler. He is yellow with pink lips and small black eyes. He also has a small hole on the top of his head which he can squeeze mochi out of when he takes off his blue headband.