Buffy The Vampire Slayer

Giles in Buffy The Vampire Slayer

Rupert Giles is the school librarian at Sunnydale High, but he’s also got a secret — he’s a Watcher, who guides Buffy on her journey to become the savior of the world. And he sometimes rolls up his sleeves and goes out to save the world on his own. Not to mention, Giles has another secret on top of that one — he’s also Ripper, a ruthless, maybe slightly psycho, former wizard who’s not afraid to get his hands a bit dirty. When there are nasty things that need to be done to keep us all safe, you won’t have to look further than the book stacks at the high school to find the man to do them. (Thanks to WitnessAria for reminding me of this one.)

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http://io9.com/5671047/20-heroic-librarians-who-save-the-world