think you should legally change it. buffy st marie and the little kid buffy on that old show with Sebastian Cabot are the only two buffys i have ever heard of, and both seem too far back for the mom of a 7 yo to have even heard of.
Vampire Slayer.
I could change it to “El Sootherino,” if you’re not into the whole “brevity” thing.
Are you forgetting Buffy the Vampire Slayer?
Buffy the Vampire Slayer.