What's Up? Hot Dog! is a popular hot dog restaurant in Vancouver that offers a fun and laid-back atmosphere along with delicious hot dogs. They focus on using locally sourced ingredients and offer a variety of toppings and sauces to customize your hot dog. Some of their signature creations include the Mac Attack, which is topped with mac and cheese, bacon, and green onions, and the Kimchi Dog, which is topped with kimchi, sesame seeds, and spicy mayo. What's Up? Hot Dog! is a great spot to grab a tasty hot dog in Vancouver.