Mermaid

• Characters and/or events in this article appear in official comics of the franchise  but are non-canon to the Main Continuity.

The Mermaid is a villain who appeared in Swimming with Sharks.

Appearance

The Mermaid is a Caucasian woman with brown hair tied into a bun. She wears a yellow mermaid costume that gives the illusion of green skin. She wore mask with dark green hair, red eyes, and sharp teeth.

History

In Swimming with Sharks, the Mermaid and her cronies attacked Team Tennyson while on a boat. However, she was found to be faking the disguise by the team, and was foiled by Upgrade. She was soon arrested by the authorities.

Appearances

Books

Cartoon Network Action Packs

• Swimming with Sharks (first appearance)

Villains
Prime Timeline
Vilgax	Squid Monster • Vilgax (Ultimate Vilgax)
Dr. Animo	Dr. Animo • Chupacabra • Frankencryptid • Heatbat • Living Mammoth • Living Tyrannosaurus • Mutant Ant • Mutant Bat • Mutant Frog • Mutant Giraffe • Mutant Hamster • Mutant Hymenopteran • Mutant Kangaroo • Mutant Lepidopterran/Splixson Hybrid • Mutant Mosquito • Mutant Parrot • Mutant Prairie Dog • Mutant Seagull • Mutant Sea Monster • Mutant Snail • Mutant Squirrel • Pterodactyl • Pterodactyl Leader • Technobug
Bounty Hunters	EightEight • Kraab • SevenSeven • SixSix • Sunder • Vulkanus
Zombozo	Acid Breath • Frightwig • Thumbskull • Zombie Clowns • Zombozo
Rojo's Gang	Amarillo • Azul • Rojo
Magic	Addwaitya • Charmcaster • Darkstar • Pallorfang • Rock Monster • Scrutin
Forever Knights	Sir Connor • Sir Cyrus • Sir Dagonet • Sir Driscoll • Enoch • Sir George • Dr. Jekyll • Dr. Joseph Chadwick • Sir Mel • Sir Morton • Patrick • Sir Reginald • Twin Knights • Urien
Great One	Enforcer Alien • Great One • Interpreter Alien • Leader Alien
Zs'Skayr	Crüjo • Kuphulu • Magical Pumpkin • Mummy • Lord Transyl • Dr. Viktor • Werewolf • Zs'Skayr
Vengers	Billy Billions • Captain Nemesis • Kangaroo Kommando • Mazuma
Lenopan	Camille's Ex-Boyfriend • Mr. Mann • Mrs. Mann •Mann Family's Bodyguard
Friends of Fish	Duane • Jack • Jonah Melville
Road Crew	Baron Highway • Road Rage • Turbine
Evil Bens	Albedo • Bad Ben • Benzarro • Eon • Eon's Minions (Ben 10,000 Returns) • Mad Ben • Nega Ben
Highbreed	DNAlien • Failsafe • Highbreed Earth Commander • Mini-Failsafes • Xenocite
Incursean Empire	Attea • Glorff • Milleous • Raff • Rana • Sangfroid • Way Bads
Vreedles	Dodecahedron • Isosceles Right Triangle • Ma • Octagon • Pa • Parallelogram • Pretty Boy • Rhomboid
Hive	Elena Valadis • Decoy Queen • Living Building
Aggregor	Aggregor (Ultimate Aggregor)
Dagon	Dagon • Conduit Edwards • Esoterica • Lucubra • Rich
Faction	Khyber • Khyber's Panuncian • Malware • Dr. Psychobos
Psyphon's Gang	Bouncer • Bubble Helmet • Bug-Lite • Gorvan • Hooded Alien • Liam • Nightmarish Alien Thug • Pickaxe Aliens • Piscciss Volann Thug • Psyphon • Psyphon's Minion • Sweet-Eels Sparklefunk • Thunderpig • Tummyhead
Fistrick's Gang	Corvo • Fistrick • Fistrick's Thug • Hoodlum • Solid Plugg
Rooters	Servantis • Phil Billings • Ragnarok • Swift • Leander
Anur-Mirrored	Ben • Charmcaster • Hobble • Rook
Alien Prisoners	Lepidopterran Prisoner • Nightmarish Alien Prisoner • Piscciss Volann Prisoner • Prisoner 775 • Tetramand Prisoner
Others	Ah Puch • Antonio • Argit • Benevelon • Blue Leader • Buzz • Charles Zenith • Clancy • Codon Stream Monster • Convict • Mr. Coleman • Collectimus • Lord Doomicus • Eon's Minions (Race Against Time) • Frank • Fungal Force • Giant Sea Squid/Arachnid • Gyula Xarion • Hammer • Howell Wainwright • Hulex Colonel • Hulex Workers • Inspector 13 • Jarret • Kolar • Kork • Krakken • Kundo • Maltruant • Mino-Toga • Missy • Mizaru • Morgg • Mutant Seagull (The Widening Gyre) • Mycelium • Nyancy Chan • Pinky • Plant Alien • Plant Clones • Poltroon • Red Leader • Seebik • Simian • Mr. Simons • Ssserpent • Sublimino • Suemungousaur • Sunny • Surgeon • Trash Monster • Trombipulor • Violet Offenders • Will Harangue • King Xarion • Yetta
Alternate Dimensions/Timelines
Original Series Future Timeline	Dr. Animo • Exo-Skull • Kevin Levin • Mot Snikrep • Sploot • Vilgax • Vulkanus
Omniverse Future Timeline	Dr. Animo • Exo-Skull • Subdora
Dimension 23	Carrot Monster • Orange Offenders
Mad Ben's Dimension	Mad Harangue • Mad Pakmar
Aborted Timelines
Time Heals Timeline	Charmcaster • Hex
Non-Canon
Gwen 10 (What-If?)	Vilgax
Goodbye and Good Riddance (What-If?)	Vilgax • Bird Villains
Comics	Animus • Aztak • Caecilia • Challenger • Collector (Collectible Heroes) • Collector (Powerless) • Dirk • DJ Zenut • Dr. Doom • Dr. Undertow • Frostbyte • Gontu • Groombah • Infinite Monkey • Princess Iris • Louie the Hairdresser • Mermaid • Parasite • Scorn • Señor Chaos • Slezak • Trash Monster (Down in the Dumps) • Vilgax 3000
Games	Crystal Claws • Feraline • Fusion Ben • Maceroot • Snakefly • Snap Dragon • Terracotta Dragon • Terracotta General • Terracotta Warriors • Thornhound • Vulpin Serpent
Non-Ben 10
Generator Rex	Alpha • Black Knight • Biowulf • I-Bol • Skalamander
The Secret Saturdays	V.V. Argost • Munya