Here are a couple of polymer clay creations. I used Sculpey III and mica powder for these. The body, the apron, and the legs with suckers use about equal parts clay. I start with three balls of clay. The time-consuming part is the suckers! Here is a decent tutorial for inspiration.
Key One:
KeyTwo:
Undersides:
The eyes glow from the mica powder – they are still just polymer clay:
Bonus item I made at the same time: