I'd really like to get rid of LockeZ. His play style is way too unpredictable. He's always like this too. If he ran a country, he'd just kill and imprison people at random until crime stopped.
Arandom's idea isn't bad. I'd say it totally depends on how many enemies you plan to have in a battle. The amount of ground area for enemies to stand on in your backdrop is pretty small, so you can't really fit more than one of the big ones.
I say give the scorps some red beady eyes to make them look threatening. Agree with ARG. You could probably squeeze in 3 small ones in a fight, at most.