10. His house is filled with a disproportionate amount of little people running around in it

 9. He has been driving the same beat-up wagon with wood paneling for years

 8. "Ho, Ho, Ho" is a clear guttural sound from a yeshiva chain-smoking past

 7. He spends his vacations in a bungalow colony up north
 
6. He never seems to get older year after year

 5. His wife, Mrs. Claus, has no first name (and never leaves the house)

 4. White Beard, big stomach, jolly laugh…must be from Lakewood

 3. He grades children by asking rhetorically, "Do you think you have been good?"

 2. As kids grow older, his "cool" appeal fades

 1. He always seems to be wearing the same suit to work everyday