Tdroid: "So, I simply want to know your opinion on the leader of each side. Nothing more, nothing less. If this derails to a discussion about which side in the Civil War is better, I'll have it closed. Discussing back and forth about the individuals is okay."
Tullius : The typical imperial general, confident in his knowelge and strategy (which of course, is not always right). He is loyal to the empire for what I see. Not brilliant, but efficient.
Ulfric: He is blinded by his ambition, whose goal is a right one and honorable. But the way and the timing he is using to carrying it out seems to be the worst. So he is pure heart and no brains.