A shoutout to my favorite enemy of the Mass Effect series.

Personally Saren has been my favorite enemy, not only from mass effect, but all games. What are yur guys favorite Mass Effect enemies or from any other games worth mentioning? Here is a little shoutout picture of my favorite sinister Turian, http://nothing-is-irreversible.com/wp-content/uploads/2012/02/mass-effect-saren-arterius-2560x1024.jpg