Fan Casting I Have Many Names in Sort by Tropes

In some stories there are characters with so many names, aliases, bynames, and/or titles that it's hard to keep track of them. An attempt to do so ends up with Try to Fit That on a Business Card. As such, when asked who they are, it is not uncommon for them to reply "I Have Many Names." Gods and whatnot tend to have hundreds of names. This comes from religious traditions where the Greek and Roman gods had many names, usually with magical connotations, all considered derivatives from their true, secret name.