Udon Ise

is one of the supporting characters of the series. He is a ninja; a genin-level Shinobi of Konohagakure, and together with his friends, Konohamaru and Moegi, he is a member of Team Ebisu, under the tutelage of their Jonin-sensei, Ebisu.

He seems to have a perpetually runny nose, and seems to be very sleepy. Udon states many times that he loves maths, as he is usually seen writing math problems during class. Udon idolises Sasuke Uchiha, stating that if he was lucky enough, he would be just like Uchiha Sasuke.

Trivia

 * "Udon" is also a type of Japanese noodle.