Crispo told CNN that only one employee was working at the restaurant.
He describes the chef's face as "bewildered" by discovering that he himself manages the night shift.
More than 30 people ate, and there was only one person left to "repel an oncoming crowd of hungry, heavily raised customers," Crispo says.
He reconciles to go home on an empty stomach.
But the customer finished his meal, asked for an apron, and stepped behind the counter to wash dishes.
"It was a smooth transition," says the 24-year-old Crispo. "He just punched his ass and helped."
"It was one of my most memorable experiences"
Crispo said he asked Ben, the lone associate who is the dishwasher.
It turns out that he did not work in a restaurant, nor did he work in a corrugated house everywhere.
Another woman wearing a dress and heels is also activated. She went behind the counter to get a pot of coffee.
"At first, I thought it was superfluous to just want coffee," Crispo said. But she joined as a second member of the volunteer staff.
The two worked together as a team, gathering tables, arranging glasses and washing dishes. Meanwhile, Ben, the actual employee, was running the cash register and grilling.
The man washed dishes sometimes "had to ask Ben where things should go," Crispo said, but otherwise it was like two strangers, without even talking to each other, spontaneously learned to operate a restaurant in tandem.
Pat Warner, a spokesman for Waffle House, told CNN that the store had a miscommunication with the duty list that night and he created a "little gap" in staff.
"We are very grateful and grateful, but we prefer to have our associates behind the counter, "Warner said.
He added that Waffle House restaurants usually have a special sense of community. He recalled a similar time in 2014 when breakfasters voluntarily maintained a restaurant when paid staff did not. could work during the notorious Snowmageddon storm in Atlanta
But this is the first time for Crispo, and he will stick to it for years to come, as an example of humanity at its best.
"I have never seen such a thing happen, nor again "Probably," said Crispo. "It was one of my most memorable experiences."