When God's people seek a king from Samuel the Judge (i.e. no more judges), their motivations are doubtful, and they're forewarned of the consequences. They don't care; they want a king.
When Jesus casts out demons, his family thinks that he's lost his mind, but the scribes from Jerusalem get there first. They call him "Prince of Demons." Jesus makes the scribes look like fools, and when his natural family arrives, he redefines what family means in the Kingdom of God.
Check out these great stories and hear the demons shriek in the sermon video below.