Conversation so far:
Who is Fauxlivia?
Fauxlivia is one of the aliases belonging to the fictional character Olivia Dunham.
What is different about Fauxlivia compared to Olivia?
According to actress Anna Torv, Fauxlivia holds herself differently and has a different silhouette. She's got a little firefighter, a little military in her.“
What else is different about Fauxlivia besides a different silhouette?
Torv explains I think Olivia would like to not feel everything is her responsibility. She'd like to go home and let someone else shoulder that burden of saving the world...“
How else is Fauxlivia developed?
Torv wanted to make the new character completely different, but she and Goldsman recognized that the two share some major similarities.

Question: what else is important about this character?
Self-contained rewrite: What else is important about Olivia Dunham's Fauxlivia besides the shared major similarities?