Uh.

I really don't have one because all the characters are perfect with the personality given and their back stories.

Er.

I have to go with Roy Mustang.

In Brotherhood, okay let me admit it.

He was kinda a jerk.

I use to hate Hohenheim but...

Since he had a reason to leave Edward and Al...

I guess I'll take him off.

But I have to hate Homunculus.

Like...

Gluttony and Greed and Freaking.

Freaking.

Wrath (Bradley)

WTF WRATH YOU HAD A WIFE WHO REALLY LOVED YOU!

URGH.

Yea.
So.

There is Day 2.