He'll take all the minions he can get. Minions, evil spirits, are sneaky but when discovered (early anyway) are easy to get rid of. Something along the lines of, "In the name of Jesus Christ begone!" Then figure out which door you opened to let him in and close it, lock it, and throw away the key. And be on guard because they don't give up.

The key elements in human thinking are not numbers but labels of fuzzy sets. -- L. Zadeh

Which explains a lot.