Most of the people that died in the Waking Sands in 2.0 had the Echo - if you talked to the NPCs between quests, they would mention things like "dreams" and "visions" etc. They also implied that their Echo was not as strong as the Player Characters. I would assume Hoary and Coltenet, as well as the remaining members still at the Waking Sands (excluding the female Roegadyn who is there to avenge her sister) have the Echo to some degree.