Col. Nonnenkof is an Imperial shocktrooper ace who appears in Edy's Challenge: The Arboreal Wastes -- Shocktrooper Trial, the fifth mission of the Challenges of the Edy Detachment downloadable content for the original Valkyria Chronicles videogame. Col. Nonnenkof is armed with the ZM MP X3(g) which is also your reward for defeating him. Caution is advised as the interception fire from this gun is very damaging.