Characters in the Wave!! franchise have birthdays announced usually via Twitter. Unique promotional artwork is often released.
Characters With Known Birthdays
- Masaki Hinaoka : May 5th
- Shō Akitsuki : September 24th
- Nalu Tanaka : July 16th
- Kosuke Iwana : August 1st
- Yuta Matsukaze : February 7th
- Naoya Kido : April 22nd
- Soichiro William Mori : June 9th
- Rindo Fuke : November 30th
Characters Without Known Birthdays 
No released information yet.