Tou Color

Tou Color, nicknamed Light Brown by Black, is one of the main characters, somewhat one of the chosen colors, and the minor antagonist of Colors' Adventure. He is the father of the nine children and the husband of their mother Mari Color. Throughout his life, Tou was working as Black's adoptive servant, and also as Brown's younger twin brother. He finally realized who his family and who he really was in Season 4.

Trivia

 * His name is the front word for "Father" in Japanese.(Tou-Sama/San)It references his role as the father of the nine colors.