Koko, as he appears in the manga.
|Name in Kanji||ココ|
|Name in Romaji||Koko|
|Position(s)||Toki's pet dog|
|Appearances||Manga (ch. 101), Anime (ep. 71), Toki Gaiden, Toki Den|
- Koko (ココ Koko)
- Toki's pet dog when he was a boy. When Koko was killed by a hunter, Toki attacked the man with the Hokuto Shinken he had learned from watching Raoh, and almost killed him until Ryuken intervened.
- In the TV show, Koko was changed to a pet bird.
- In Toki Gaiden, the day Toki buried Koko was the same day he met Yuria for the first time, who consoled him over Koko's death.