Halloween Eye of Newt (Deviled Eggs)

I originally found this recipe on allrecipes.com. I've tweaked it a little bit to suit our taste. If you like deviled eggs prepared with relish & mustard, feel free to search allrecipes for it. :)
Here's our version:

12 hard boiled eggs
mayonnaise (Use as much or as little as you like)
2-3 drops of blue food coloring
1-6oz can of sliced black olives, drained
red food coloring
a couple of toothpicks (to draw the veins in the eyes)

After you peel the boiled eggs, slice them in half lengthwise.
Place the yolks in a separate bowl and save the whites on the side.
Mash up the yolks and add the mayonnaise until the mixture is the consistency that you like.
Add the blue food coloring & mix it all in until you get a green color (it's about 2-3 drops)
Dip the toothpick into the red food coloring & paint the tops of the egg whites so they look like veins in an eyeball.
Spoon the yolk mixture back into the egg whites.
Place a sliced olive on top to make it look like an eyeball.
If you feel like getting more creative, you can use a toothpick to dab a dot of mayo in the center of the olive to have a color contrast.