Do! Do! Donut is a building in Heartland City that presumably serves donuts.Heartland police after Dueling a random WDC Duelist. He then used the power of "Number 7: Lucky Straight" to cause the sign on the Do! Do! Donut building to fall down. All the bystanders in the area ran away from the site of impact, save Charlie, who was unharmed by remaining in the center of the Do! Do! Donut sign.
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