Hiroyuki Takei
His younger brother is Takei Hirofumi.
He was once the assistant of Watsuki Nobuhiro.
Mangaography

Shaman King
Hiroyuki Takei

Shaman King: The Super Star
Hiroyuki Takei

Shaman King: Flowers
Hiroyuki Takei

Danball Senki Gaiden
Hiroyuki Takei, Level 5

Nekogahara: Stray Cat Samurai
Hiroyuki Takei

Ultimo
BOB, Stan Lee, Hiroyuki Takei, DAIGO

Shaman King Zero
Hiroyuki Takei

Shaman King: Remix Track
Hiroyuki Takei

Shaman King: Red Crimson
Hiroyuki Takei, Jet Kusakura

Jumbor
Hiroyuki Takei

Shaman King Man Ji En
Hiroyuki Takei

Juuki Ningen Jumbor
Hiroyuki Takei

Mappa Douji
Hiroyuki Takei

Butsu Zone
Hiroyuki Takei

Smash Bomber
Hiroyuki Takei, DAIGO