What is the significance of the name Yuhan?9?6

Feather: yǔ; bird's hair: feathers. down. Feather book. Hagoromo. Lupine. Feather tribe (referring to birds). Feather flag. Yu Xi (Yu Shu). ; The wings of fish or insects. In Taoist legends, it refers to flying immortals: wings. Yuhan (wings). Taoist priest (a. flying immortal; b. Taoist priest). ; The feathers on the arrow refer to the arrow: feather hunting. ; One of the ancient five tones, equivalent to the simplified notation "6". ;

Han: hán; the sky will be bright. ;