These are the best supporting characters in 2023:
- Niram (Kamen Rider)
- Samas (Kamen Rider)
- Tsumuri (Kamen Rider)
- Takuya Kanbara
- Koji Minamoto
- J.P. Shibayama
- Zoe Orimoto
- Tommy Himi
- Kouichi Kimura
- Tsukuyomi (Kamen Rider)
- Sophia/Kamen Rider Calibur (Female)
- Hazuki Kagimura
- Touma Kamiyama/Kamen Rider Saber
- Rintaro Shindo/Kamen Rider Blaze
- Kento Fukamiya/Kamen Rider Espada
- Ren Akamichi/Kamen Rider Kenzan
- Ryo Ogami/Kamen Rider Buster
- Tetsuo Daishinji/Kamen Rider Slash
- Yuinshiel Asteria
- Ikki Igarashi/Kamen Rider Revi
- Vice/Kamen Rider Vice
- Sora Harewataru
- Mashiro Nijigaoka
- Tsubasa Yuunagi
- Ageha Hijiri
- Back Arrow
- Haruna Mutsuishi
- Aruto Hiden/Kamen Rider Zero-One
- Izu/Kamen Rider Zero-Two
- Yuri Miyata
- Megumi Meguro
- Zunko Tohoku
- Itako Tohoku
- Kiritan Tohoku
- Zundamon
- Metan Shikoku
- Sora Kyushu
- Usagi Chugoku
- Chanko Oedo
- Tsurugi Chubu
- Shinobi Kansai
- Meron Hokkaido
- Awamo Okinawa
- Peter Rabbit
- Momotaros
- Urataros
- Kintaros
- Ryutaros
- Sieg (Kamen Rider)
- Deneb (Kamen Rider)
- Futaros
- Teddy
- Yoshino Koharu
- Shinra (Ultraman)
- Amate (Ultraman)
- Desast
- Canaan
- Gammamon
- Angoramon
- Jellymon
- Lucia Nanami
- Hanon Hoshino
- Rina Toin
- Shiro Jinno
- Isamu Fuwa/Kamen Rider Vulcan
- Yua Yaiba/Kamen Rider Valkyrie
- Hayato Fukamiya/Kamen Rider Calibur
- Takeshi Hongo/Kamen Rider 1
- Ureshiko Asaba
- Katsumi Sasahara
- Mayuko Sasahara
- Elda (Otaku Elf)
- Koito Kaganei
- Yord (Otaku Elf)
- Himawari Kohinata
- Haila (Otaku Elf)
- Isuzu Koimari
- Daiji Igarashi/Kamen Rider Live
- Kagero/Kamen Rider Evil
- Yujiro Wakabayashi
- George Karizaki
- Hiromi Kadota/Kamen Rider Demons
- Genta Igarashi
- Yukimi Igarashi
- Houtarou Ichinose/Kamen Rider Gotchard
- Ellee (Pretty Cure)
- Ace Ukiyo/Kamen Rider Geats
- Keiwa Sakurai/Kamen Rider Tycoon
- Neon Kurama/Kamen Rider Nago
- Michinaga Azuma/Kamen Rider Buffa
- Kakeru Miwa
- Oka Myojin
- Leomon