Penny is a penny that SpongeBob picks as one of his new best friends instead of Patrick Star and Sandy after injuring himself. He first appears in the episode, "Imitation Krabs."
It is a bronze-brown penny with a fish on it. SpongeBob says that Penny can sing. According to Patrick, he has the most beautiful singing voice.
- This penny could also be the same one in "Imitation Krabs."
- The fish is supposed to be an aquatic version of Abraham Lincoln.