Nick Fishkins is a fish who appears in the episode "Sold!"
He is an olive-yellow fish who has large faded-green lips, a small mustache, and a faded-green fin. He wears a brown uniform with an orange tie and black shoes.
He is interested in buying houses usually regardless of quality, hoping to sell them to other clients later. However, he won’t buy houses that have been tipped over.
Role in episode
Nick Fishkins is first seen on Patrick's television as the role of a house seller. Due to the conversational style of the commercial, Patrick believes Fishkins has actually bought his house, with Patrick being unable to do anything about it.
He is later seen on SpongeBob's television, causing SpongeBob to also believe his house has been sold.
Later in the episode, Squidward, after explaining what Fishkins does to SpongeBob and Patrick, decides to call him to come and buy his house. However, when he arrives, Squidward's house has literally been flipped, and Fishkins decides he does not want to buy Squidward's house and drives off.
His house flipping commercial confuses SpongeBob and Patrick into doing the following:
Moving out of their homes
Physically flipping Squidward's house
Billy Fishkins shares the same last name as Nick, but they are not confirmed to be related.