Well titus is dead by now....Are the medes still in power do you know? And how do you know he is a puppet? Did you think for a second that The empire Is USEING The elves! Remeber the empire supported and aided A rebellion in eastern valenwood!
1.Yes, I know. Mede II is in power, I don't want want to spoil it for you, so don't look in this
Spoiler In one of the Dark Brotherhood quests, your sent to assassinate Mede II who is currently in Skyrim but it turns out that he sent a double for some reason.
2.Ehh, well, again, I have been watching my cousin play the game for many hours, they used him to ban the worship of Talos.
3.How are the Empire helping the Elves when he banned the worship of Talos at the tip of a Thalmor blade?