SpongeBob characters that sometimes appear

• Mrs. Poppy Puff (Mary Jo Catlett) - A fish that has a puffy and Driving School teaches "Mrs.. Puff Boating School", and was tired of teaching because Spongebob Spongebob is too careless, Her husband is Mr.Puff, arrested fishermen and made light, like the episode "Krusty Love".
• Pearl Krabs (Lori Alan) - is a young whale and a son Mr. Krabs. He became obsessed with cheerleading and likes to have fun. His hobbies are contrary to the desire to save Mr. Krab money.
• Larry Lobster (Doug Lawrence) - is a very strong crustaceans. He became a lifeguard Goo Lagoon.
• Mermaid Man (Ernest Borgnine) - is an old mermaid former masked hero in Bikini Bottom. Now she lives with Barnacleboy, colleagues, the nursing home in Shady Shoals.
• Barnacleboy (Tim Conway) - Mermaidman colleagues. Always considered a child by Mermaidman.
• Flying Dutchman (Brian Doyle-Murray) - This ghost pirate likes to scare anyone but the episode "Ghost Host" he obeyed the orders SpongeBob to scare people than Spongebob.
• Plankton Karen (Jill Talley) - wife (English: WIFE which stands for Integrated Wired Female Electroencephalograph) Plankton computers that can mimic human feelings. He helped Plankton to steal the secret Krabby Patty recipe.
• Patchy the Pirate (Tom Kenny) - Pirates who are obsessed with Spongebob, and appeared in several episodes like UGH where it became the stone age, Patchy has a named Potty Beo.
• Potty the Parrot (Stephen Hillenburg and Paul Tibbitt) - Birds Beo's Patchy Patchy often disturbing.
• Harold SquarePants (Tom Kenny) and Claire SquarePants (Sirena Irwin) - SpongeBob's parents are more like a sea sponge SpongeBob than that resembles the kitchen sponge.
• King Neptune (Jeffrey Tambor) - King of the sea, who lived in Atlantis, along with his daughter Mindy, who only appears in the SpongeBob SquarePants Movie.
• Mama Krab - He is a crab who is also Mr. Krabs's mother.