I tried a pair of velociraptors, but honestly found that the pterodactyl worked best. Especially the hybrid bear-o-dactyl.
Tried a t-rex as well, but found out the hard way that you have to keep them off the crack....
http://theoatmeal.com/comics/tyrannosaur_crack

seriously though, crazy neighbors are scary. I wish you all the best with your current issue, and only hope that i can help you crack a smile in the face of the frustration the situation brings.
Best of luck
-skinny

Trying to help with 7.5 Acres in the Chain of Lakes Illinois
- -
The fish would stay out of trouble if it could just keep its fool mouth shut.
Turns out there is a lot I should be learning from the fish.