Nat Peterson is a character in SpongeBob SquarePants.
Nat is a yellow-tan-colored fish with light lavender lips and a dark lavender dorsal fin.
He has white eyes with black pupils, and he has a lavender mouth. He also has light green arms and legs and he wears faded light blue shorts. His stomach is dark-yellow/green and he is very slender and skinny.
Nat often goes without wearing a shirt or shoes. He once wore a suit, when at the snailpo meeting.
- He has a similar character design as Norton.