Invencible vol 5 Autenticos Desconocidos/ Invincible vol 5 Perfect Strangers/ Spanish Edition Author:Robert Kirkman In the tradition of films like The Incredibles and Sky High, an ordinary teenager begins to develop superpowers, and dons the mantle of Invincible, Earth's Newest Protector. Luckily his father is the world's most powerful superhero, and can show him the ropes--at least he could if he weren't so busy saving the world all the time.