No, but those are VERY cool.
I had a vague idea that it might have been Pardulon that made the one I'm thinking about... but I cannot find it on his site. It also may have been just a conversion he showed off.
Or it might have been someone else....
I remember the thing as having one leg and 2 arms (as to have 3 limbs for movement), being painted rather 'messy' (zombie-style), and maybe having crapped itself (or the base)...
It was a long time ago....
Edited for typos...