That's a fun idea for a study! Both Luffy and Goku are known for their massive appetites, but in different ways. Let's break it down:
- **Luffy**: Being a rubber man due to his Devil Fruit powers, Luffy can stretch his stomach beyond normal human capacity. He's often seen devouring mountains of food after a battle or when he's famished, particularly meat. His eating is driven by his seemingly insatiable hunger, and he doesn’t need breaks like normal people, making him a relentless consumer in one sitting.
- **Goku**: As a Saiyan, Goku's appetite is fueled by his superhuman metabolism. Saiyans need an immense amount of food to maintain their strength and recover after fights. Goku can eat entire tables' worth of food in record time and keeps going long after most people would stop. Plus, his recovery from fights often involves marathon meals.
In terms of *quantity*, it could be close! Goku's appetite scales with his power, and he can eat astronomical amounts of food, especially after intense training or battles. Luffy, while impressive, might be limited by the times he's eating for fun or post-fight recovery. If we did a "food marathon," Goku might edge out Luffy based on his insane post-battle cravings and Saiyan biology.
But, considering Luffy's stretchable capacity, it’s a competition worth studying! Who would you bet on in an all-you-can-eat contest? My money's on Goku.