Hikaru Zaizen
Hikomaro Sakurafubuki
Hiroshi Chinen
Hiroshi Yagyū
Hozumi Kaidō (Mother of Kaoru Kaidō)
Hōō Byōdōin
Ichirō Kaneda
Ichiuma Kita
Ikuto Kimijima
Inakichi Nitobe
Iriki
Ishikawa Hiroyuki
Issa Washio
Itarou Migihashi
Itaru Saitō
Itto Habu
Izō Hakamada
J. J. Dorgias
Jackal Kuwahara
Jean Fitzgerald
Jin Akutsu
Jin Onojieha
Jirō Akutagawa
Jonathan St. Georges
Julio Roman
Junichi Sasabe
A. Frankensteiner
Akaya Kirihara
Akira Kamio
Akuto Mitsuya
Alan Hopkins
Albert Federer
Alexander Amadeus
An Tachibana
Antonio da Medanoré
Aoi Hanamura
Apollon Stephanopoulos
Astrid Turner
Atsukyō Tōno
Atsushi Kisarazu
Ayano Tezuka (Tezuka Kunimitsu’s mother)
Beat (Atobe’s dog)
Bertie Borisovich Volk
Bill Hewitt
Billy Cassidy
Bobby Max
Bunta Marui
C. Ridel
Chabonga Ngoepe
Charlie Palmer
Chikahiko Matsudaira
Chloe Watanabe
Chris Hopman
Chōtarō Ōtori
Clive Miller
Daimaru Daikichi
Daisuke Hayashi
Danji Date
Dankmar Schneider
David Rivera
Dodo Obando
Don Pacino
Duke Watanabe
Edgard Delacroix
Eiji Kikumaru
Einoshin Hagi
Eishirō Kite
Elmer Siegfried
Eric Paddington
Fukushi Michiru
Gakuto Mukahi
Geisel Jackson
Gen'emon Sanada (Genichirō Sanada’s grandfather)
Genichirō Sanada
Gin Ishida
Gouki Doumoto
Gregoire
Haginosuke Taki
Hajime Mizuki
Hannah Essenheimer
Harukaze Kurobane
Harumi Saotome
Hazue Kaidō (younger brother of Karou Kaidō)
Henri Nobel III
Hikaru Amane
Junpei Kongawa
Jusaburō Mōri
Jürgen Borisovich Volk
Jūjirō Oni
Gabriel
Kachirō Katō
Kaede
Kageyama (Gyokurin)
Kanata Irie
Kaoru Kaidō
Karupin
Katsuo Mizuno
Kawamura's Father
Kazena Kaji
Kazuya Tokugawa
Kei Tanishi
Keigo Atobe
Keith
Ken
Ken Lendoll
Kenjirō Koishikawa
Kentarō Aoi
Kentarō Minami
Kenya Oshitari
Kevin Smith
Kiichi Kuki
Kiko Balentien
Kimiyoshi Fukawa
Kintarō Tōyama
Kippei Tachibana
Kiritani
Kiyosumi Sengoku
Koharu Konjiki
Kojirō Saeki
Kotoha Kitazono
Kuniharu Tezuka (Father of Kunimitsu Tezuka)
Kunikazu Tezuka (Grandfather of Kunimitsu Tezuka)
Kunimitsu Tezuka
Kuranosuke Shiraishi
Kuraraga Tatsuta
Kushiyama Tooru
Kōhei Tanaka
Kōichi Aragaki
Kōsuke Tenjin
Kōyō Akiba
Leon Wakefield
Leopold Camus de Charpentier
Liliadent Krauser
Lucas Siebold
Ludovic Chardard
M. Halharter
M. Nobtail
Mac McGregor
Mamoru Inoue
Marehiko Itsuki
Mares de Colón
Masaharu Niō
Masami Higashikata
Masashi Arai
Masato Takase
Masaya Sakurai
Maxwell
Michael
Michael Bismarck
Michael Carothers
Michael Lee
Mikiya Banda
Milky Millman
Miyamoto
Miyase Tomonori
Miyuki Chitose
Munehiro Kabaji
Nanako Echizen
Nanjirō Echizen
Nishiki
Noah Dorgias
Nyudō Mifūne
Ojī
Oliver Philips
Orion Stephanopoulos
Osamu Watanabe
Osval Delon
Papadopoulos Evangelos
Peter
Peter Ranbiell
Quark Puppe (QP)
Rafael
Ralph Rhinehart
Ramon Crawford
Randy Pugu
Reiji Shinjō
Renji Yanagi
Richard Sakata
Rikiya Ban
Rin Hirakoba
Rinko Echizen
Rocky Meredith
Rodrigo Roca Rodrigo
Romeo Fernández
Ryoga Echizen
Ryoma Echizen
Ryō Kisarazu
Ryō Shishido
Ryūji Tsuge
Ryūji Ōmagari
S. Akamèche
S. Truman
Sadaharu Inui
Sakuno Ryūzaki
Saori Shiba
Sasabe (Son)
Sasabe (Father)
Sasuke Sanada
Satoru Kadowaki
Satoshi Horio
Satoshi Shudō
Seda
Seiichi Yukimura
Senri Chitose
Sergei Mihajlovic Mikhailov
Shibuki Kaidō (Father to Karou Kaidō)
Shimizu (Gyokurin)
Shinji Ibu
Shinobu Miyako
Shinya Yanagisawa
Shun Suzuki
Shīta Urayama
Shūichirō Ōishi
Shūji Tanegashima
Shūsuke Fuji
Siegmund Pupke
Silva de Bambieri
Sotomichi Nakagauchi
Speedy
Sugi
Sugimoto
Sumire Ryūzaki
Taichi Dan
Taizo Kiraku
Takahisa Kajimoto
Takashi Kawamura
Takeshi Momoshiro
Takuma Minamoto
Takuya Nomura
Tamagawa Yoshio
Tarō Sakaki
Tashiro
Tatsunori Mori
Tennis Association of Germany Director
Tetsu Ishida
Tetsuhito Fuwa
Tetsuya Hara
Thalatta Heracles
Timothé Moreau
Timothé's Father
Todoroki Goro
Tomoka Osakada
Tomoya Izumi
Tomoya Shiranui
Tonpei Hirari
Toshio Takei
Tristan Bardot
Tsubasa Nishikiori
Tsukimitsu Ochi
Tōji Muromachi
Unoki Junitsu
Ushida Tetsuo
Vulcan Lartius
Wakashi Hiyoshi
Wataru Kitamura
Xiu Ling
Yasuharu Suzuki
Yasuyuki Kiraku
Yoshiko Fuji (Fuji family mother)
Yoshimasa Handa
Yoshirō Akazawa
Yoshiyuki Taira
Yukari Shiraishi
Yukio Kurobe
Yumiko Fuji
Yōhei Tanaka
Yūdai Yamato
Yūho Mutsu
Yūji Hitouji
Yūjirō Kai
Yūki Akutsu
Yūma Mutsu
Yūshi Oshitari
Yūta Fuji
Zeus Iliopoulos