Wait.. did I mishear some dialogue in the movie? Because I could've sworn someone calls him "The Daytrader" at somepoint, and it's just a case of Everyone Calls Him "Barkeep". I might need to pay attention to the dialogue a bit more next time I see it. I honestly do really dislike the notion of Daytrader as his actual name. I really hope it isn't just another case of His Name Really Is "Barkeep". Whirl's probably gonna shoot you now. With his claws.