The devil, who is later referred to as Old Scratch carves the names of the people he makes deals with into the trees. Those whose names are carved into the tress, having made a deal with old scratch, are those who have sold their souls to the devil.
Yes, this is my example.
You better not be drinking, unless you want consequences.
Answer: "It's a dog" and "Who's that?"
Explanation:
The comma is putting together and shortening 'it is' and 'who is'.