Ken Ichijouji (一乗寺 賢, Ichijōji Ken) is a fictional character in the Digimon Adventure 02 anime series. Ken is the final member of the 02 DigiDestined, partnered with Wormmon and holder of the Crest of Kindness. Unlike the other 02 DigiDestined, he lives in Tamachi.
Formerly introduced as the devious Digimon Emperor (デジモンカイザー, Dejimon Kaizā, lit. "Digimon Kaiser"), Ken works hard to try and atone for his wicked acts and eventually is helped along the way by Davis Motomiya as well as the others.