Taichi "Tai" Kamiya is the main protagonist of the Digimon series, the older brother of Kari Kamiya, the love interest of Serena Tsukino and the biggest fanatic of Mindy Lee. Voiced by Joshua Seth, he has brown spiky hair and brown eyes. In the first season, his outfit is composed of: a blue short sleeved shirt, brown shorts, white socks and white and blue sneakers. In the second season, his outfit is composed of: a white buttoned shirt with long sleeves, under a opened green shirt with long sleeves, gray pants and white and blue sneakers. In the first season at his age, he is 11 years old. In the second season at his age, he is 14 years old.
- Yuuko and Susumu Kamiya (Parents)
- Kari Kamiya (Younger Sister)
- Serena Tsukino (Love Interest)
- Fred (Uncle)
- Rini Tsukino (Daughter)
- Mindy Lee (Worst Nightmare)
- Matt Ishida (Rival)
- Zoey Hanson (Childhood Friend)
- Miko (Pet Cat)
- Saffron (Idol)
- Miss Patricia Haruna (Teacher)
- ??? married to Serena
- ??? Rini
- ??? Matt ???
- ??? Mindy ???
- ??? Rini ignores him
- ??? he and Serena are in love ??? kindergarten.