Nymphs are mind-numbingly attractive faeries of about human size and weight. They make excellent bards and Druids.
Most businesses have signs up that read “No Nymphs!” However, the owners of these businesses usually forget when one actually comes in and the Nymphs always ignore the signs. The Nymph invariably gets prices that make the shopkeeper feel like they've been robbed, at least once they think about it. However, since they willingly offered those prices and the Nymph did nothing illegal, all they can do is hope they'll remember their signs next time.