Writing tip: The Darla Mistake when naming immortal characters

I love using Joss Whedon shows as examples because what's good is very good, so what's wrong stands out. I forgive TV shows that get historical costumes wrong because they're working fast on limited budgets. But getting historical names wrong is embarrassing, especially when a screenwriter can ask a researcher how old a name is. Case in point: Darla. When the character was introduced in the