Grand Unifying Guesses/Book of Lore

The following could probably look each other up in a magic crinkly book of lore
And could pay each other a visit, time period permitting.
 * The Scooby Gang of Buffy the Vampire Slayer
 * The Belmonts of Castlevania
 * Dante of Devil May Cry
 * The Night and Day Watches
 * The Magiranger and the Mystic Force Power Rangers as well
 * The Specialized Extracurricular Execution Squad
 * The Scooby Gang of... well, Scooby Doo.
 * Ayase Yue, however Library Island probably has a fair count of books on the above subjects as well.
 * Lazarus Long and Yuko Ichihara
 * Harry Dresden