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Uchiyama is a senior high school student as of 2008. He mainly voices over young males, such as in the Kingdom Hearts series. As a seiyū, he rarely makes public appearances in the media. He is best known for his roles in Soul Eater as Soul Eater Evans and Kingdom Hearts II as Roxas.

Roles

Television drama

* Ultraman Cosmos

Television animation

* American Dragon: Jake Long (Jake Long)
* Ghost Hound (Young pupil)
* Soul Eater (Soul Eater Evans)

Theater animation

* Robots (Young Rodney)
* Surf's Up (preview) (Cody)

Video games

* Kingdom Hearts II (Roxas)
* Kingdom Hearts 358/2 Days (Roxas)
* Kingdom Hearts Birth by Sleep (Ven)
* The World Ends with You (Neku Sakuraba)

Dubbing roles

* The Adventures of Sharkboy and Lavagirl in 3-D (Sharkboy)
* The Animatrix (Masaji)
* Cheaper by the Dozen (Dylan Shenk)
* Finding Neverland (George Llewelyn Davies)
* King Arthur (Young Arthur)
* The Legend (Young Hogae)
* Lemony Snicket's A Series of Unfortunate Events (Klaus Baudelaire)
* Peter Pan (On-the-spot filming edition) (Slightly)
* Pirates of the Caribbean: The Curse of the Black Pearl (Young William Turner)
* The Return (Ivan)
* Secondhand Lions (Walter Coleman)
* Without a Trace ("The Bogie Man") (Aaron)

Source: Wikipedia