ShitsuMonDay: Double Dollar Bill, Y'all

I've got...

Nine zillion Zeni in my zapatas

I've got one hundred thousand Wongs in my way

I've got plenty of perfect Potch

Lots of Jennies on my watch

And my Miami Dollars would buy Tokyo Bay

There is nothing quite as wonderful as Beries

There is nothing quite as beautiful as Sen

There's nothing that is greater

Than handling a Meseta

With money there is lo-ots to yen

There is nothing quite as wonderful as Beries

(Beri Beri Beri)

There is nothing like a newly minted Kan

(Kan Kan Kan)

I am up to my Gils

In wondrous Woolong bills

It's accountancy that makes the world so grand

(grand grand grand)

You can always [C]s control

By extracting Extols

For it's money, money, money that makes the world so graaaaaaand!

(Tip of the hat to The Money Programme)

Simple question for this week's ShitsuMonDay! What's the best fictional currency out there? Midas Money? Teiai Dollars? Macca?!

My money's on Munny.