Oinkmon

Oinkmon is a Digimon whose design is derived from the and whose name is derived from oink (ブー), the onomatopoeia for the sound a domestic pig makes.

Digimon World 3
When humans in the have their matrix data removed from them, they transform into docile Oinkmon. The A.o.A does this to run its plans unopposed. Many of Junior's allies and enemies undergo this defanging process.