To start, the top 5 characters in order (I've only played the first trilogy so keep that in mind)are:

1. Maya
2. Pearl
3. Phoenix
4. Franziska
5. Edgeworth

Now, these are my slightly spoilery thoughts about those games.

• Godot is a dickhead.
• I never want to see Mia Fey again. I got sick of her during the Dr. Grey case when she kept jumping in Pearl's body and wouldn't shut up.
• I do not want to see any Fey family members except Maya, Pearl, or Bikini. Iris annoys me.
• When someone randomly vanishes with no foul play WHY WOULD YOU THINK THEY DIED PHOENIX?
• "What does it mean to be a prosecutor?" SHUT UP EDGEWORTH
• "What does it me to be a defense attorney?" SHUT UP PHOENIX AND MIA AND GODOT AND EDGEWORTH
• Maya is a perpetual damsel in distress, but she's cool so I'll let it slide.
• Lotta Hart is very annoying. She be going on the stand just to lie.
• That old lady be testifying straight off hearsay. Goofy.

That's all the gripes I could think of at the moment, I just put 90 hours in over the last couple of weeks to beat these three games.

This series is pretty cool. I just need them to put the OTHER mainline titles on PC so I can beat those too.