Koushiro "Izzy" Izumi

Koushiro Izumi (&#27849; &#20809;&#23376;&#37070; Izumi K&#333;shir&#333;) is a character in the anime and manga Digimon. He is given the nickname "Izzy" in the English versions. His name is romanized as "Kohsiroh" on the image files on Toei Animation's Digimon website.

He is partnered to Tentomon. Izzy is a computer nerd and spends all his time trying to figure stuff out on his Pibook laptop. He played on the soccer team with Sora Takenouchi and Taichi "Tai" Kamiya (Taichi Yagami in Japan). Izzy lives with his adopted parents. Although he once had a complex about it, he finally hears the truth from them about the adoption and accepts them as his true parents. He is the bearer of the Crest of Knowledge. His color is purple and element is elelctricity

Prelude to Digimon Adventure
He see the battle between Parrotmon/Greymon

Between Digimon Adventure & Digimon 02
In May 2000, Izzy arrived at the Digital World and gave up his Crest power to free the Sovereigns. As a result, Tentomon loses the power to become MegaKabuterimon.

Digimon 02
Although he grew, he's still short compared to the other kids; he's now as tall as the new team! Izzy seems to have a lot of free time and often stops by the computer club at the elementary school to help the new DigiDestined in almost every episode. He's still into computers and is curious about the D-3 and other items the new DigiDestined have access to.

Digimon 02: Series Finale epilogue
By the year 2027, Izzy sets up a research team to study more of the Digital World than what the human population already knows. He has a daughter.