I love
Olga. I love some of the "clunky" Russian names (Agafiya,
Agrafena,
Margarita) and
Olga fits into this category. I would not call it "fresh and pleasant" I get more of a dark, heady, elegant vibe.
I don't mind
Helga but it's not nearly as pretty as
Olga.
But I think for me it is the Ol- versus the
Hel- as I feel similarly about
Olga,
Olivia, Olanna,
Olympia etc. and
Helga,
Heloise,
Helen etc.