I don't do a lot of fan art usually. But some time ago, my sister posed the question of 'what do female Gorons look like'?
I endeavored to answer this question, and determined that since the males of the species had large arms, small legs, and gorillaish posture, the females must have long legs, short arms, and a more upright stance.
Once I had put this theory onto paper, I had to do the Deku composer.
Then 'what about the females of that species'?
And the Gurodos had been left out of Twilight Princess, as well as the Kokiri, so they had to be drawn...