quirky

adjective. unconventional, unexpected, or odd, but somehow cool, interesting, or charming
It can be used to describe people or things.

"Facebook CEO Mark Zurkerburg's resolution of last year to only eat meat he killed the anmimal himself was a quirky idea"
"The waitress styles her hair in a quirky way that always gets her remembered by customers"
Quirky (quirky.com) is a New York based company that allow inventors to submit their ideas and assist them to develop products. Now you know why they chose the name "Quirky".

http://www.vocabulary.com/dictionary/quirky