"Kaonashi is Miyazaki himself," says Toshio Suzuki, producer of Sen to Chihiro, in the PREMIRE interview but Miyazaki fervently denies his partner's interpretation. "No!" he says. "Kaonashi is a metaphor, the libido that everybody secretly harbors."
Often offers Chihiro gifts like gold and bath token
Why is she holding a leek?
Because of a popular video with "Hachune Miku" holding a leek and singing "Ievan Polkka" (A character in "Loituma Girl/Leek Spinl" span a leek while singing the Finnish song)
Example of Kaomoji: *・゚☆.。.:*・゚£(。・ェ・)o[†...Thanks...†]o(・ェ・。)β。.:*・゚☆.。.:*
The following pictures are not Kaomoji. I found them at the site that has Kaomoji only.