For Halloween, I made the kids a "snake pizza" using the idea from here:
I didn't have olives at the time, and didn't want to buy a whole jar of it just for a couple of olives for the eyes, so instead, I used edamame, which I did have on hand. I just shelled 2 pods and threw them on the head as eyes. I also didn't have any pepper for the tongue so I just cut a piece of pepperoni to looked like the forked tongue and stuck it on the head. I had to improvise with what I had on hand, but it turned out well.
I also made them a spider pizza
Again, I didn't have olives so when it was cooked, I just threw a plastic spider on it. And I didn't use pita, I used a Boboli pizza crust.
Both were so easy to make and the kids (and DH) loved them! I had to fight them for a piece.