Actually it's not an OS. And what you call "Hannah Montana is actually Miley Cyrus/Hannah Montana or as I've started calling it Miley Cyrus + Hannah Montna.
every time i see an argument about what distro to use i'm like "why the hell would anyone run something other than mint unless they're in the fbi most wanted or they hate free time"
Because I use KDE and they killed that spin years ago. Also LM is bloated in my opinion so I prefer installing only what I use/prefer vs the kitchen sink approach of Mint.