How to get a fancy font for your display name

I always wanted to ask my friend, Joey how she gets a display name with such fancy font. Today, I finally ask and she told me she got the font from the following website:

http://www.messletters.com/en/

ʀɛɖɨƈɛ ƈɨօƈ

Cool right?

If you know of any website that provide this service, share with us so everyone knows :)