A strange alien arrived to transport itself into famous works of literature for its own amusement, but everytime he leaves a work, he accidentally ruins it. When a rabid group of book historians stop the creature, it becomes kaiju-sized.
ABILITIES:
Book Grow: can cause any book to grow kaiju-size, then jumps out of the book as a kaiju
Metal Limbs: arms and legs can extend when needed in a fight
Book Travel: waves arms to transport an entire area into a book world