Fan:Riku Arhinmäki

Riku Arhinmäki is a fanfictional character in the Digimon Cinematic Sagas. He is the one of the secondary characters in the Legendary Tamers Saga.

Description
Riku was born in 2004 to unrevealed parents. He has lived in Helsinki, Finland, and is skilled at card games, including the trading card game developed about the Digimon right after the Digitaclysm. Because of becoming the Champion of the game in his home country and participating in international tournaments as well, he is well known, but his parents aren't very happy about this. In 2022, he met the DigiGnomes who gave him a D-Ark and sent Cyberdramon, who is also his favorite card in the game, to become his Partner Digimon. Cyberdramon was a little bit violent and wanted to become part of the battles that were happening on the other parts of the world.

In 2023, when Riku had graduated from upper secondary school, DigiGnomes reappeared and guided Riku to go into the Digital World to find a way to properly tame Cyberdramon and help to defeat a new threat to the two worlds. Therefore, Riku decided to leave into the Digital World without having any courage to tell the truth to his relatives.

Digimon: Ordeal of Deva
Riku makes a cameo appearance in the mid-credit scene where right after his arrival into the Digital World, he and Cyberdramon had crossed paths with Anilamon the Dragon Deva in the Desert Layer. Cyberdramon's fierce nature had forced to help fight it. Anilamon was defeated, but Cyberdramon was not satisfied, so Riku promised to help him find a worthy opponent.

Digimon: Evolution Beyond
One year later, Riku still had trouble to get Cyberdramon calm down. When they visited Jijimon and Babamon, they found out that Jason Storm, Kyle Lambert, Vera Neidhardt and Mei Yashida from New York had appeared into the Digital World too. Jason and Kyle knew about him and excited to finally meet him, but Vera disliked him. Riku heard everything about the Deva and Calumon, the source of all Digivolution. After that he told how he had defeated Anilamon and how he was now going to find a worthy battle for Cyberdramon to make him calm down. Until then he helped the Tamers to reunite with Tatsuya Munemori, Andrew "Andy" Conteh and Susan Conteh.

Riku and Cyberdramon found their way into a place where Cyberdramon wished to challenge Apollomon, a member of the Olympos XII. But Apollomon persuaded them to fight against a true enemy. After Cyberdramon expressed his desire to know about him and Apollomon sensed how the other Tamers had ended up into a conflict with Mercurimon, Riku joined them to end the fight. But it was only after the arrival Harold Thompson and Kudamon with a holographic apparition of Grigory Shatalov when everyone heard the truth. The enemy was D-Reaper, a malevolent multi-agent program who believes that humans and Digimon don't deserve to exist. When D-Reaper attempts its first attacks, it appears to be a powerful opponent even for Cyberdramon. When the Tamers return to New York, Riku and Monodramon (Rookie form of Cyberdramon) ask for another portal, one which would take him back to Finland.

Trivia

 * Riku is mostly based on Ryo Akiyama since he has Cyberdramon as his partner and he is a card game champion as well as having been in the Digital World long before other Tamers.
 * Riku's nationality is partly inspired by Miska Saari, a Finnish Pokémon trading card game world champion from year 2006.