Name: Cody Hida
Age: 9
Digimentals: Knowledge and Reliability
Digimon:

"Upamon" (In-Training)
Armadillomon (Rookie)
Digimon (Champion)
(via Egg of Knowledge)
"Submarimon" (Champion)
(via Egg of Reliability)

(Japanese names in quotes)

Cody is the sensible one of the group, despite the fact that he is the youngest. He keeps the group organized to make sure no appointments are missed and studies the traditional Japanese fencing art, known as Kendo. He and Yolei live in the same apartment complex as T.K..