Johnny Hot Dog specializes in hot dogs served from a market-side setup, which suggests a fast, built-for-repeat-visits style of service. The dogs are likely to come in straightforward combinations rather than elaborate plates, with the emphasis on a hot sausage, soft bun, and familiar toppings. That simplicity usually means a short wait and a meal that is easy to eat on the go. The location in and around West Side Market points to a working-food-stand feel rather than a sit-down restaurant.