While playing Minecraft Dungeons, in Level 2 and 3 while killing enemy mobs (spiders, skeletons, creepers and zombies) in a TNT explosion, the creeper dropped Pig loot, which is weird, because there is no creeper in the dungeon.

My Rig:

Intel Xeon X5650@4.03 GHz
ASUS ROG Nvidia GTX 1050Ti
16 GB DDR3-1333 RAM (Samsung/G.Skill)
ASUS P6X58D x58 MB
Pariot Burst 240GB SSD
WD Blue 4TB HDD
WD Blue 1TB HDD