American Girl Z Yang 18 Asian Doll Retired. The Z Yang doll was released in 2017. Z was retired in 2018. Face Mold: Jess Mold (painted corners at eyes).Z has a birthmark mole on the left cheek. Hair: Dark Brown w/brown highlights, left side part, no bangs, waist length. She comes with her hair styled in two ponytails. She has tight limbs from a smoke free environment.