You will do whatever I order you to do, slave!
~ Jafar to Genie
I must have this absolute power! Your Miraculous is in my control! I am your master now, and you must obey me.
~ Hawk Moth ordering Nooroo to obey his commands
Villains who have acted as a mentor, boss, or other authority figure to a hero at some point. Often, they had a master/apprentice relationship prior to becoming enemies. These villains either brainwash or force the heroes to do their bidding.

NOTE: Some of these villains may be Complete Monsters, such as Ego.