Thanks everyone I really think Rusty is a fine addition in large part to everyone's suggestions and input. Particular thanks has to be given to crackbone on this one, truly great suggestions with the abilities I think made Rusty far more balanced and playable.
So it sounds as though some of you have suggestions for what's next. Unforutately my time is going to be limited for a bit, but please brainstorm and I'll check back to see what monster should be next. If we come up with a decent list that isn't too long I can start up a poll.
I think that 4 points of movement on a rusty monster with such skills looks overpowered. 3 points of movement sounds good for a monster that looks like a shrimp. Of course there is a kind of shrimp that acts like a ninja!!! It is called mantis shrimp, you can google it.