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 math, as he is usually seen writing math problems during class. Udon idolizes Sasuke Uchiha, stating that he would be just like Sasuke Uchiha when he got older. (This was said by Udon before Sasuke betrayed the Leaf Village)

Trivia

 * "Udon" is also a type of Japanese noodle.
 * In the Naruto Abridged Series, it is joked that due to his constant running nose that Udon is the son of the equally ailing Hayate Gekko.

Quotes

 * "The one who likes dividing by numbers, Udon"