Everyone single one of my characters or at leas the base of their personality and goals is taken directly from literature. Having read a lot of books, and not being creative with names, I literally just name them for their namesake.
Brom and Eragon, both are their namesakes from the books if you've read them. (Spoiler Alert: RP'ed as Father and Son as well)
Merlin, is somewhat similar to his namesake, but also wasn't. I always play a character named Merlin in every game. Same goes with Dante. However, Merlin is probably a mix between Iago and Caesar.
My next hopeful creation of a character is a 100% copy of Iago. (That is going to be fun...)