Character Recommendations Based on Fiona Glenanne

Helena
Orphan Black
She's mentally unstable, childish, and completely merciless – an unstoppable killer

Kara "Starbuck" Thrace
Battlestar Galactica
She'll beat you in cards, drink you under the table, then fly circles around you in her fighter plane

Deandra "Dee" Reynolds
It's Always Sunny in Philadelphia
Selfish, narcissistic, target of extremely cruel ridicule