Hmmm,
https://quiz.ravenblack.net/videogame/3.png
I am small and tricky - where you think I am, I probably am not. I can work very fast, but I tend to go about things in a round about way, which often leaves me effectively standing still. I hate rocks. Bloody rocks.
Sounds like me, somewhat for sure, if your in the right mood, there is almost some innuendo in the name!