Michael Dougal
Michael Dougal is one of the main protagonists of the Green Hills Series. He is Stewart's soulmate

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Past Lives
- John Anderson
- Jean-Michel Dùghall
- The Apostle John (The Disciple whom Jesus Loved)
- Adam
The Archangel Michael

Michael is also the Archangel Michael. General of God's Army, Stewart's immortal soulmate, a creator angel made in God's image. Stewart was made from a bit of his spirit energy taken from the vicinity of his rib while he slept. For 10,000 years he searched for the missing piece of himself to find it in Stewart—an unknown dragon created by God as a companion for him.
The White Dragon
The White Dragon is a shape-shifter with equine features and is often thought to be a ceffyl dŵr or kelpie. His head has no horns and razor-sharp teeth. The White Dragon's body is long and serpentine, and he burps and farts green dragonfire. The White Dragon's wings are Gossimer like translucent parchment. Also thought to be Nessie, the Leviathan of scripture, and Jörmungandr.