Maugrim is a captain of the secret police for the witch who froze Narnia in what event?
Maugrim:  A Narnian wolf, he is Captain of the White Witch's Secret Police. White Witch:  She is commonly referred to as the White Witch in "The Lion, the Witch and the Wardrobe", as she is the Witch who froze Narnia in the Hundred Years Winter.
Hundred Years Winter