Aura Battlers
1/144 Scale Aura Battlers produced by Kotobukiya, first appeared in Hobby Japan 1988 Sept. Each kit is around 3 inches tall, but full of detail. Here's a picture for a size comparison.
Leprechaun Parts
Wryneck Parts
Bastole Parts Base - Looks like the hopper base eh?
*Billbine and Zwath kits form a diorama together