I feel like Yordles should be more distinct as a race, and not just small cute human-like creatures that are basically elves. That's too boring. In my mind, all Yordles have short but somewhat sharp claws/nails, large pointed ears (sometimes furry and sometimes not), I would say "sharp canines" but Ziggs appears to challenge that, and fur, but the males just have more obviously, while the females have fur much closer to the skin, basically sexual dimorphism. It's present in most (all?) species, so why not Yordles? It's weird for me to think of female Yordles as having just colored skin as opposed to just really short fur. That almost says "different race" to me.
I don't think a zany personality really makes a female Yordle specifically. I think Yordles in general just have strong personalities, compared to humans at least. I think what signifies a female Yordle specifically is the physical features, again, such as the short fur, and the tendency for that fur to lean towards cool colors, shades of blue, green, and purple.