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.
“And how shall I think of you?' He considered a moment and then laughed. 'Think of me with my nose in a book!” — Susanna Clarke, Jonathan Strange & Mr Norrell