Aria T'Loak

"I am Omega."

Aria T'Loak is an Asari in the the Mass Effect franchise. She is the ruler, queen, leader, and whatever you prefer of Omega, one of the biggest locations of the Mass Effect universe. She was voiced Carrie-Anne Moss.

Mass Effect 2
She first appeares in Mass Effect 2, where she helps Shepard find Archangel and Mordin Solus. She also has several side missions where she is a part of.

Mass Effect 3 DCL
In Mass Effect 3, after Cerberaus has taken control of Omega, she allows Shepard to use Omega's gangs to help fight the Reapers. She also has a DLC in which she and Shepard take back Omega.