Exploiting the Beast for another Holiday

It doesn't have to be Alien but should relate to both sci fi and St Patrick's Day in a loose and silly way. Here is an example:

Im gunna jump in early with the most iconic green thing I could think of

Credit to whomever made this picture :)

Absynthe- Tried it. Seemed like super charged cold medicine at 5 times the price. Anise fans might like it. Maybe I got a bad batch. 

"Did you find the end of your rainbow?", said the green-faced mountain.