This page includes characters that appeared in each chapter of the original Unico manga by Osamu Tezuka, which was first published in Sanrio’s Lyrica magazine from 1976 to 1979. I have arranged each chapter chronologically according to its original magazine publication; therefore, it will differ from currently available books.
Prologue
プロローグ (November 1976)
 Unico |  Venus |  Psyche |  Eros |
 Zephyrus |  Argus |
Buffalo Hill
野牛の丘 (December 1976)
Unico | Zephyrus |  Tipi |  Mary |
 Ham Egg |
Rosaria the Beautiful
うるわしのロゼリア (February 1977)
Unico | Zephyrus |  Princess Rosaria |  Lord Dandara |
 Lupinas of Roseland |  Spider |
The Cat on the Broomstick
ほうきにのったネコ (June 1977)
Unico | Zephyrus |  Chao |  Grandmother |
 Baron Ghost |  Shimashima | Hyoutantsugi |
Unico and Solitude
ひとりぼっちのユニコ (January 1978)
Unico |  Akuma-kun | Zephyrus |  Venus |
Eros |
One-Night-Only Ball
一夜だけの舞踏会 (March 1978)
Unico | Zephyrus |  Marschka |  Alexander Romanov |
Spider |
Hometown Visit
ふるさとをたずねて (May 1978)
Unico | Zephyrus |  Corn |  Psyche |
 Replicorns |  Unico’s Father |  Unico’s Mother |
Black Rain and White Flower
くろい雨と白い花 (June 1978)
Unico | Zephyrus |  Garappachi |  Chiko |
 Grandpa (Dr. Ochanomizu) | Prince of the Fairies | Spider |
The Tale of the Fangs of Athens
アゼンスの牙の物語 (November 1979)
Unico | Zephyrus | Venus |  Sphinx |
 Piro |  King Oberon |  Queen Titania |  Puck |
 Night Wind |