Shaggy from Scooby-Doo and Scrappy-Doo is a fictional character and his weight loss has not been depicted in the show or any official media. However, in some adaptations, Shaggy has been shown to be physically active, often running away from monsters or chasing after Scooby and Scrappy, which could be considered a form of exercise that could help with weight loss.


Additionally, a healthy diet and lifestyle can also contribute to weight loss. Shaggy is known for his love of food, especially his famous "Scooby Snacks," but in some adaptations, he is also shown to enjoy vegetarian cuisine, which could be considered a healthier choice.


It's important to note that rapid or excessive weight loss can be harmful to one's health, and it's always best to consult with a medical professional before making any significant changes to diet or exercise routine.