Ryūta
Ryuta Ishikawa
Ryūta Konno
Ryuta Ibaragi
Ryuta Sato
Ryuta Tasaki
Ryuta Yamamura
Ryuta Kawashima
Iwakiyama Ryūta
Ryuta Miyauchi
Ryuta Kanai
Yamamotoyama Ryūta
Toyohibiki Ryūta
Ryuta Heinai
Ryuta Hayashi
Ryuta Koike
Ryuta Hara
Ryuta Arakawa
Ryuta Iida
Ryuta Sasaki
Ryuta Sakurai
Ryuta Homma
Brain Age Express
Brain Age: Train Your Brain in Minutes a Day!
Brain Age: Concentration Training
List of Dinosaur King characters