For more precise creations, use the following trigger words:
Kazushige Sanda, black eyes (sanpaku, looking at viewer, thick eyebrows (v-sharped eyebrows, white eyebrows)), white hair (short hair, spiked hair), thick white beard (thick and full brown beard covering the cheeks, jawline, and chin, dense facial hair with rich texture, well-groomed but voluminous, connected moustache blending naturally into the beard, high detail on beard texture, mature masculine features)