Ego, Somnia's First
Credited with bridging the gap between the Oniric Plane and the Material One, Ego was shaped by the untold, the societal background of the Obsidian society: lies, surprises, random acts of kindness that went without recognition.
It can be argued that Ego was, among the Twins, the one with the clearest vision of what the Obsidian People was and could be, as his interest laid in something that was common to all of them, their pure and flawed humanity.
When the First Crisis came he rallied his brothers and sisters after him, breaking the unspoken taboo of interference between them and shattering the separation between the Oniric and Material plane.
During the Era of the Gods he was known as a somewhat aloof but well-meaning divinity