- Saito is a shy/silent member of the cheer squad. His modesty, consideration and reliability are his strong points.
- - Profile in the first game
Atsushi Saito, (斉藤 篤, Saitou Atsushi) voiced by Bifu Hitoshi, is the right-hand man in The Cheer Squad's lineup. He wears an eyepatch. In the second game, his eyepatch becomes more elaborate.
- He is named after the character designer of the series. Although pronounced the same, his first name is written as 敦士 instead.
- Said character designer was previously the scenario designer of Gitaroo Man.