In this latest duel, the brothers debate the second of their three part series on underappreciated characters, in which character was most underused: Alastor 'Mad-Eye' Moody or his nemesis Barty Crouch Jnr? Also who would win in a duel between Moody and Crouch Jnr, who we thought would die in the Battle of Seven Potters, if you can use the summoning charm on a person and much much more.