" You can be our Gandalf,” I said, remembering our conversation from weeks ago, and smiling.
“I’m only a year older than you. But I’ll take it as a compliment, if you let me be Dumbledore instead.”
“If you insist.” I shrugged. “But Dumbledore is more dead.”
“Point,” Daniel acknowledged.
“You’re neither, actually.” Jamie looked up from a file he was reading. “You’re a muggle—”
“Hey, now.”
“Which makes you Giles.”
Daniel considered it for a moment. “I’ll take it. "

― Michelle Hodkin , The Retribution of Mara Dyer (Mara Dyer, #3)