Matthew 11:19 (ESV) — 19 The Son of Man came eating and drinking, and they say, ‘Look at him! A glutton and a drunkard, a friend of tax collectors and sinners!’ Yet wisdom is justified by her deeds.” 

John 7:20 (ESV) — 20 The crowd answered, 

“You have a demon! Who is seeking to kill you?” 

Their silence on negative is a good lesson for us

Some thought He was John the Baptist

Matthew 14:2 (ESV) — 2 and he said to his servants, “This is John the Baptist. He has been raised from the dead; that is why these miraculous powers are at work in him.” 

Some thought he was Elijah

“But who say ye that I am?” 

Peter speaks: “Thou are the Christ…”