Non-Bikini Bottomite First Appearance Last Appearance What They Are

Alternate Universe SpongeBob "The Algae's Always Greener" "Back to the Past" A reflection in the mirror that says "Well your'e on your own pal" or "Well I thought it was a pretty good idea"

Alternate-Universe Patrick "Roller Cowards" "Back to the Past" A reflection in the mirror that says "No you can't! You're a big crybaby!" to Patrick then gets knocked out by him

Appetizer "Squilliam Returns" A food monster Mr. Krabs invented with Salsa, Spinach, Meat & a can of Peas

Davy Jones "SpongeBob vs. the Big One" A man at the bottom of the ocean

Cheese Head Brown Pants "What Ever Happened to SpongeBob?" Mayor of New Kelp City

Girly Teen Girl "The Slumber Party" Pearl thought she was SpongeBob disguised like a girl and she lives in Farawayville

Dr. Marmalade "Chimps Ahoy" (only appearance) One of the monkeys who inspects the invention (the tallest one)

Professor Percy "Chimps Ahoy" (only appearance) One of the monkeys who inspects the invention (the leader)

Lord Reginald "Chimps Ahoy" (only appearance) One of the monkeys who inspects the invention (The grumpy one)

Monty P. Moneybags "Artist Unknown" One of the people crowding around thinking it is "Cooking Class"

Muttonchop "Shell of a Man" Nickname of Mr. Krabs' navy buddies.

Orville "Squidville" Security guards at Tentacle Acres.

Lip Service "Karate Island" Second person Sandy has to defeat in Karate Island.

Drifter "No Weenies Allowed" Tries to get in and does due to the wig.

The Tickler "Karate Island" First person Sandy has to defeat in Karate Island.

Torpedo Belly "Shell of a Man" Nickname of Mr. Krabs navy buddies

Master Udon "Karate Island" King of Condo Island

Filthy Phil Third person Sandy has to defeat in Karate Island