Nothing because contrary to popular belief leprechauns DO NOT EXIST!!!
Trust me, I'm Irish, I live in Ireland and in all my years on this planet I have never seen a leprechaun, guarding a pot of gold or otherwise!!
Guarding their pots of gold. But mainly they make shoes.
Prankster and practical joker, Mr. Mzptylyk in superman was one in all but name.
Leprechauns have magic, but leprechauns aren't real (As far as we know...)
Leprechauns are fictional characters.
There are no leprechauns except in stories.
No. Leprechauns do not exist.
There are no such things as leprechauns.
Leprechauns are 1 pound!!!
A human can keep the leprechauns gold if they answer the leprechauns three riddles.
Neither, leprechauns are omnivores.
Leprechauns carry pots of gold with them.
Leprechauns arent real.......