Possessed Sergeant (5e Creature)
From D&D Wiki
Medium fiend, chaotic evil
Punch. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 4 (1d4 + 2) bludgeoning damage.
Shotgun. Ranged Weapon Attack: +3 to hit, reach 30 ft., one target. Hit: 10 (2d8 + 1) piercing damage or 12 (2d8 + 1, reroll damage die results of 1 or 2) at a range of 15 ft. or less.
These are possessed soldiers that are a little tougher and rougher.