Shari yn Yem was a Pandronian female who worked as the Starfleet drill administrator in 2381. When she ran the drills for the Cerritos, she pitted the senior crew against the lower decks crew, but switched their ranks.
AGIMUS was the sentient evil computer responsible for manipulating an entire civilization into a century-long civil war. He then went on to try to manipulate Boimler and Mariner into fighting each other while they were en route to deliver him to the Daystrom Institute, but Boimler just tricked him into using his battery to power a distress signal while they were stranded on a desert planet.
Queen Paolana Billups was the female monarch of Hysperia and mother of Andarithio "Andy" Billups, who was the crown prince. He had renounced his title to join Starfleet, but his mother refused to accept that and kept trying to trick him into triggering his ascension onto the throne. Her ship was called the Monaveen.