There isn't anything known about his history.
Throughout From Dusk Till Dawn: The Series
In Boxman, he was seen standing by Big Jim, watching as Richie conversed with him.
He was a man with a very tall stature and medium build. He wore a black suit and pants. He had dark, brown hair, brown sideburns, mustache and beard.
He is stern and carries out what he needs to do without hesitation.
- Cray is an English, Scottish or Irish name. It means "clear, pure" in British, "branch" in Irish Gaelic and "rock" in Scottish.