Yukio Oikawa

DigiDestined
Tai Kamiya | Sora Takenouchi | Matt Ishida | Izzy Izumi | Mimi Tachikawa | Joe Kido | T.K. Takaishi | Kari Kamiya | Davis Motomiya | Yolei Inoue | Cody Hida | Ken Ichijouji | Meiko Mochizuki

Digimon
Agumon | Gabumon | Biyomon | Tentomon | Palmon | Gomamon | Patamon | Gatomon | Veemon | Hawkmon | Armadillomon | Wormmon | Meicoomon

Allies
Gennai | Homeostasis | Leomon | Elecmon | Numemon | Andromon | Ogremon | Frigimon | Gekomon | Otamamon | Digitamamon | Wizardmon | Whamon | Piximon | Daigo Nishijima | Hackmon

Villains
Devimon | (Etemon | MetalEtemon) | (Myotismon | VenomMyotismon | MaloMyotismon) | DemiDevimon | MetalSeadramon | Puppetmon | Machinedramon | Piedmon | Apocalymon | (Diaboromon | Armageddemon) | Millenniummon | Digimon Emperor | Kimeramon | Arukenimon and Mummymon | BlackWarGreymon | Yukio Oikawa | Daemon Corps | Maki Himekawa | Alphamon | Dark Gennai | Infected Imperialdramon | King Drasil

Families
Susumu and Yuuko Kamiya | Hiroaki Ishida and Nancy Takaishi | Toshiko Takenouchi | Masami and Kae Izumi | Keisuke and Satoe Tachikawa | Mr and Mrs. Kido, Jim Kido | Mr and Mrs. Motomiya and Jun Motomiya | Mr and Mrs. Inoue, Mantarou, Momoe and Chizuru Inoue | Hiroki, Fumiko and Chikara Hida | Mr and Mrs. Ichijouji and Sam Ichijouji | Professor Mochizuki and Mrs. Mochizuki

Other DigiDestined
American DigiDestined: Willis, Terriermon, and Kokomon | Michael and Betamon | Phil and Flarerizamon | Tatum and Airdramon | Maria and Centarumon | Steve and Frigimon | Lou and Tortomon |

Chinese DigiDestined: Poi Brothers and three Syakomon | Yue Hong and Apemon

Japanese DigiDestined: Yukio Oikawa and Datirimon | Noriko Kawada and Punimon | Keiko Kurata and YukimiBotamon | Takashi Yoshizawa and Poyomon | Hiroshi Shibata and Nyokimon

Vietnamese DigiDestined : Dien and Gorillamon

Indian DigiDestined: Mina and Meramon

Australian DigiDestined: Derek and Crabmon

French DigiDestined: Catherine Deneuve and Floramon

Mexican DigiDestined: Rosa and Gotsumon

Russian DigiDestined: Sonya and Snimon | Anna and Unimon | Yuri and Kuwagamon