Back when I was working on MIT3K, I had this idea for an androgynous cybernetic daisy, and the jokes would center around gender neutrality and its insecurities about gender roles. Here's a sketch I tried recently:
I feel like the body needs to have a more feminine element, and the arms definitely suck right now. I need to look up more robot arm designs. I like my idea of a screen using smilies for emotional expression, though. :D