The former MorningMist here. It's not too radical a change; 'Niebla' is 'Mist' in Spanish. ^_^ I decided it was time for a change (MorningMist was both a mouthful and just not quite right) and Niebla seemed perfect.
There are some things you can't share without ending up liking each other, and knocking out a twelve-foot mountain troll is one of them. — J.K. Rowling