A proper hot dog is made of the following: (anything else is a false, imposter, counterfeit hot dog)
Beef Frankfurter on a poppy seed bun.
The following mandatory toppings: onion, sweet relish, dill pickle spear, tomato (wedges or slices), pickled sport peppers, celery salt
Sometimes children are foolish and they think they want ketchup. Ketchup is only to be used with the fries, NEVER with the dog! You will get kicked out of restaurants for trying to put ketchup on your dog. In some places they may even beat you up in the back alley for being such a monster.