Koushiro "Izzy" Izumi

Kohshiroh Izumi (&#27849; &#20809;&#23376;&#37070; Izumi Kōshirō) 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, but his name is written "Kohshiroh" is the 2nd ending for Digimon Adventure.

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 electricity.

Prelude to Digimon Adventure
He saw the battle between Parrotmon/Greymon, resulting in him becoming a DigiDestined.

Digimon Adventure
Izzy was the brains of the group many times he helped the group out of difficult situations, he is the owner of the Crest of Knowledge, mostly because the fact he is not only extremely smart but also because of a hunger for the truth. Izzy discovered at a young age, he was an adopted child by accident when he overheard a conversation one night between his foster parents. It was discovered that Izzy's real parents had died in a car crash

Digimon Adventure: Our War Game
In Our War Game, Izzy plays a key role alongside Taichi, Matt and T.K. as they battle Diablomon, an evil Digimon roaming the Internet.

Between Digimon Adventure and 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 lost the power to become MegaKabuterimon.

Digimon 02
Although he grew, he is still short compared to the other DigiDestined - he is only as tall as the new soccer 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 is still into computers and is curious about the D-3s 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.