|Given name: 昂輝|
|Family name: 内山|
|Birthday: Aug 16|
|Hometown: Saitama, Japan|
|Hobbies: Piano, Typing, Swimming|
Kōki Uchiyama is the voice of Aion, he is a Japanese actor and voice actor from Saitama Prefecture. He is affiliated with Gekidan Himawari. Uchiyama mainly voices over young males, such as in the Kingdom Hearts series, and rarely makes public appearances in the media as a voice actor. He is best known for his roles in the Kingdom Hearts series as Roxas and Ventus, Soul Eater as Soul Eater Evans, Mobile Suit Gundam Unicorn as Banagher Links, The World Ends with You as Neku Sakuraba and Yu-Gi-Oh! Zexal as Kaito Tenjo. Best New Actor at the 5th Annual Seiyuu Awards (March 2011).
Other Notable Voices:
- Soul "Eater" Evans - Soul Eater
- Roxas & Ventus - Kingdom Hearts
- Neku Sakuraba - The World Ends with You
- Midnight - Fairy Tail
- Yan, Daryl - Guilty Crown
- Tsukishima, Kei - Haikyuu!
- Tanahashi, Yuuya - Love Lab
- Lest - Rune Factory 4