Ryo Akiyama

Ryo Akiyama (秋山 リョウ Akiyama Ryō) is a fictional character in the Digimon anime and manga series.

The only human character to span two continuities, Ryo is the human partner of Cyberdramon. His exploits seem to be from the video games in which he first appeared in prior to his anime debut.

Digimon series

Digimon Adventure: Our WarGame

He ws among the kids who had indirectly help the DigiDestined out in their fight with Diaborromon.

Digimon 02

He made a cameo to explain Ken's first adventure in the Digital World.

Digimon Tamers

The Legendary Tamer, Ryo is considered the greatest Digimon Tamer, but he disappeared a year ago & had been in the Digital World ever since. He revealed himself to Rika Nonaka (Ruki Makino in Japan) and her group when they were being attacked by a Megadramon. He came and went as he was needed.

It turned out Ryo was the only person who ever defeated Rika in a Card Tournament, previous to the one where she won. He has a positive attitude, and due to the fact he stayed in the Digital World, his entire body is practically data. As a result, he could Biomerge with Cyberdramon, so his partner can Digivolve to Justimon & help the others fight D-Reaper.

Digimon Tamers: Runaway Digimon Express

Ryo shows up as Justimon during the Parasimon fight, after Rika, Henry Wong (Jenrya Lee or Li Jian-liang in Japan), and Takato Matsuki (Takato Matsuda in Japan) biomerge with their Digimon. However there are too many Parasimon to fight off and they are losing until Gallantmon Crimson Mode destroys the hole the Parasimon were coming out of. Afterwards, Ryo and Cyberdramon attend Rika's Birthday Party.

Digimon Video Games

Digimon: Cathode/Anode Tamers

Digimon: Tag Tamers

Digimon: D-1 Tamers

Digimon: Brave Tamers