Like Charlie, you had met Sam and Dean during the Leviathan incident. You had needed help protecting your species. Now, occasionally, you'd pop out of the water just to be around and usually hunt with Sam and Dean. Now, Sam and Dean were taking you and Charlie to go on a werewolf hunt. You were striking up a conversation in the backseat of the Impala.

"Wait, wait, wait-" Charlie waved her hands. "Did you just say you were a mermaid?" Out of all the supernatural creatures that existed, Charlie, as fantasy loving as she was, had not expected mermaids to be one of them anymore.