Taro Momoi/Don Momotaro (played by Kohei Higuchi) is a 21-year-old man who lacks the ability to lie, and just like Momotaro, he came to this world in a peach-shaped capsule when he was a baby. After running away from his family, he is now living alone as a part-time courier. Once he Avatar Changes into Don Momotaro, he is good at swordsmanship.
- Kosuke Asai (Zyuoh Eagle, Lupin Red) is Don Momotaro
- Yasuhiro Takeuchi (Lupin Blue, Kiramai Blue) is Saru Brother
- Ayumi Shimozono (Lupin Yellow, Zenkai Magine) is Oni Sister
- Kazuya Okada (Ryusoul Gold, Zenkai Vroon) is Inu Brother
- Masashi Takada (Patren #1, Kiramai Silver) is Kiji Brother.
- Sonoi (played by Yuya Tominaga) is a very calm and graceful man. He enjoys painting.
- Sononi (played by Amisa Miyazaki) is a woman who is interested in human love affairs.
- Sonoza (played by Shinnosuke Takahashi) is an eerie man who laughs and cries out of place. He is interested in human emotions.
Avataro Sentai Donbrothers is set to premiere this March 6th at 9:30am, only on TV-Asahi, replacing Kikai Sentai Zenkaiger in the Super Hero Time block.