- Asuka Langley Soryu, Rei Ayanami (teammates, friends)
- Hikari Horaki (classmate, friend)
- Misato Katsuragi (superior)
- Gendo Ikari (father, superior)
- Hayato Hayasugi (teammate, briefly)
- Shin Arata (teammate, briefly)
In The Anime
- The character originates from a character of the same name in the Neon Genesis Evangelion franchise.
- He is the first Season 1 driver to retain his driver position in Season 2.
- He shares the same Taiwanese voice actress with Azusa Ueda, Akita Oga, Sakura Hayasugi, Gin Itsutsubashi, Jō Itsutsubashi, Tatsumi Kiyosu, Minori Sanjo, Midori Kurume, Hibiki Mishima, Kagari Daimonyama and Chiaki Tsukiyama.