- "I trust you Castiel, if you don't trust Raphael to govern heaven justly, then neither do I. Besides, he has no sense of humour."
- ― Thiel to Castiel[src]
Thiel is an angel, specifically from an order of seraphim, she was under Castiel until he fell. According to lore, she has dominion over Wednesdays, however by the beginning of the apocalypse she had more tasks at hand. Among other things, she had been tasked with taking over the duties of Castiel after he fell.