Who is Prophet Muhammad's enemy mentioned in Qur'an 6:112?

> And thus We have made for every prophet an enemy - devils from mankind and jinn, inspiring to one another decorative speech in delusion. But if your Lord had willed, they would not have done it, so leave them and that which they invent. -- Qur'an 6:112 (with other translations at Islam Awakened ) According to this verse, every Prophet has some God-assigned enemy from either mankind or jinn. I'm wondering if we know who Prophet Muhammad's enemy is. **Question**: Who is Prophet Muhammad's enemy mentioned in Qur'an 6:112?