Inspired by DeafNala on the Lead Adventure Forum, I gave sculpting Mushrooms a try.
Here a first result, waiting to get some paint on it. The guys on his sides are meant to give you some idea about his scale.
His eyes are beads, and if you look closely you can see the shell of a petite snail on his head. I've no where it's from, but it was laying around here. Possibly GW as it was in the GW bitsbox.
I'm quite happy with the first result.