Check Mii Out Directory

Code	Name	Description	Works?
6237-6759-4497	Xemnas	The leader and number I of Organization XIII in Kingdom Hearts. He does have a element, but has aerial blades and is the final boss of the 2nd game.	yes5 no2
2194-6148-5499	Xerxes I Of Persia	The God King of Persia as influenced by his appearance in the movie 300.	verified
5417-3474-3011	Xion KH	Number XIII from Kingdom Hearts 358/2 days.	yes1 no1

Finally you can search for miis on Nintendo's Check Mii Out channel by name! Use the codes you find here to locate the miis you want (faq). Even if you don't like the version you find, you're always just a "find friends" away from alternative versions.