The following SpongeBob SquarePants characters make the most appearances during the series.
Hans (voiced by Tom Kenny) is a sentient live-action hand wearing the sleeve of a naval jacket.
Squidward's mother who seems to like baking cookies and appears to be very friendly. More ⇉
a pink fish that is often seen in the background. More ⇉
a regular Krusty Krab customer that played a speaking role in Free Samples
a female fish that appears often.
A yellow fish with a purple dorsal fin on his back and blue shorts. Possibly the background character with the most appearance on the show's history. More ⇉
A major Krusty Krab customer who is most known for giving Mr. Krabs his millionth dollar. More ⇉
a purple fish that regularly hangs out at Goo Lagoon.
A female pink fish who usually wears light blue bikinis. More ⇉