There are two plausible measures of success for something like this: 1) Whether the generated character is readily identifiable by an observer on its own. 2)

There are two plausible measures of success for something like this: 1) Whether the generated character is readily identifiable by an observer on its own. 2) Whether the generated character is a reasonable manifestation of the chosen art style. I think it does a reasonable job of #2 and a mediocre job on average of #1. I think greater eyebrow variability would help some so that it doesn't look like all the women get "woman's pencil eyebrow" and all the men get "man's extremely bushy eyebrow".