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.
/I think, today,/ he thought back, /the important fact is that I don't/ need /to be better than him. He can just be a person. And I... I can just be one too./ — Adolin (Wind and Truth by Brandon Sanderson)