Here, there are 3 bills in use currently ( ), and on the 10,000 won bill is a picture of King Se-jung (spelling may not be correct)… he’s a Korean King from long ago who standardized (or invented, actually, IIRC) th Korean alphabet…
I have no idea who’s on the 1,000 won and 5,000 won bills (I can read the names; I just don’t know who they are/were).
Obviously it’s pretty difficult to have the current sovereign on US currency, since they’re only there for a maximum of eight years, unlike the Queen. Also, the US mint and the BEP has a policy against putting living people on currency.
It should be noted that US currency also has many historical buildings and monuments, such as the Lincoln Memorial on the $5, the US treasury building on the $10, the White House on the $20, and the US Capitol on the $50.
A painting of the signing of the Declaration of Independence graces the back of the no-longer made Jefferson $2 bill.
Sorry if that seems flippant. We still print the $2 bill in the US. You just don’t see 'em 'cause nobody wants 'em. Much like the dollar coin. Outside of Major metropolitan areas, most folk in the US don’t give a hoot about a dollar coin.