the river king relations

could it be possible that Tamm is the reason all of the people in the city were fizz originally live went missing Tamm has an unending hunger which would allow him to eat an entire city of people and he could use the ocean to get to different rivers around the world witch is why we would be around fizzs original home furthermore tamm has a very bilge watery vibe to him which is were fizz ended up after he roamed for a little bit so bilge water might not be to far from fizzs og home