These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Genius Bonus: The Three: The Books of Samuel describe King David's Warriors as being divided up into The Thirty and The Three. The fact that these vampires are warriors may indicate that they owe their origins to the King David's Warriors of the same name.
Rewatch Bonus: While talking her way into the Summers home, Darla claims she's been helping Buffy study up The American Revolution. "My family kinda goes back to those days." She speaks the truth: The Angel episode "Darla" reveals that she was sired in colonial Virgina.
The same episode flashes back to Angelus and Darla in China during the Boxer Rebellion. Hence, Angel's crack about the schoolgirl outfit. "Last time I saw you, it was kimonos."*
Kimonos are heavily inspired by Han Chinese clothing, so it's possible Angel mistook Darla's silk robe for a kimono.
