Here’s another Delta for any who’re interested. I personally consider this one to be my most… detailed piece of work, though that doesn’t necessarily mean it’s my best. I have my reservations about how different it looks from the original Gengar line, especially Haunter. However, I am interested to see what you make of it, so without further ado:
Based on a floating/living spore of some kind
Based on a creature poking out of a bush/emerging from the spore that Gastly was
Pure Grass or possibly Grass/Fairy Type
Based in part on a rabbit and other forest rodents what with rabbitlike features, but mostly draws inspiration from Totoro from My Neighbor Totoro.