Cinderella (Disney, both are blue and have blonde hair (in the film, her hair has a bit of an orangish tint), plus they are beautiful; Cinderella also wears silver in the original film),
Princess Rosalina (Mario, both are beautiful, wear blue and have blonde hair)
Honk (Space Pirates, both are beautiful)
Karen (Dogelore, both are pretty)
Lexi (ANT Farm, both are beautiful and vain),
Daphne Blake (Scooby Doo, both are beautiful),
Princess Peach (Nintendo, both are blonde and beautiful),
Vanity Smurf (Smurfs, both are blue, pretty, vain, and sour),
Beautifly (Pokémon, both are beautiful),
Blahaj (Dogelore, both are blue)
Naminê (Kingdom Hearts series, both have blonde hair),
Aurora (Sleeping Beauty, both are blonde, blue and beautiful),
Izzy (Jake and the Neverland Pirates, both are beautiful),
Rapunzel (Disney's Tangled, both have blonde hair),
Minerva Mink (Animaniacs, both are blonde and pretty),
Raksha (The Jungle Book, both are beautiful),
Twintelle (ARMS, both are vain and beautiful),
Fred Jones (Scooby Doo, both have blonde hair and wear blue),
Princess Penelope (Blinky Bill, both are French and beautiful),
Bella (Tweenies, both have blue skin and blonde hair),
Nanette Manoir (Angela Anaconda, both have blonde hair, are beautiful and vain),
James (The Railway Series, both are vain),
Zoe Zebra (The Junglies, both are vain, beautiful and French),
Princess Sylvia (Muzzy in Gondoland, both are beautiful),
Princess Eilonwy (The Black Cauldron, both have blonde hair and are beautiful),
Henrietta Von Marzipan (Codename: Kids Next Door, both have blonde hair and are beautiful),
Tracks (Transformers, both are blue and vain),
Rarity (My Little Pony, both are vain and beautiful),
Paul Rawlins (Bedknobs and Broomsticks, both have blonde hair),
Rhonda Wellington Lloyd (Hey Arnold, both are vain and beautiful),
Ami (HiHi Puffy AmiYumi, both are beautiful),
Bubbles (The Powerpuff Girls, both wear blue, are blonde and are cute and pretty),
Wonder Woman (DC Comics, both are beautiful),
Emma Frost (Marvel Comics, both are beautiful),
The Pirate Captain (The Pirates! Band of Misfits, both are vain),
Piella Bakewell (Wallace and Gromit: A Matter of Loaf and Death, both are blonde hair, beautiful and pretty),
Lili Rochefort (Tekken, both are vain, but beautiful),
Squidward Tentacles (SpongeBob SquarePants, both are vain),
Squilliam Fancyson (SpongeBob SquarePants, both are vain),
Wellington (The Shoe People, both are blue and have blonde hair),
Claudia McPhearson (Fat Pizza, both are blonde and beautiful),
Angelica Pickles (Rugrats/All Grown Up, both are blonde and beautiful),
Woolma Lamb (The Get-Along Gang, both are vain and beautiful),
Divatox (Power Rangers Turbo, both are vain and beautiful),
Beauty Zonnette (Gekisou Sentai Carranger, both are vain and beautiful),
Shibolena (Denji Sentai Megaranger, both are blue and beautiful),
Steerwoman Shelinda (Seljuu Sentai Gingaman, both are beautiful),
Kyle The Conjurer (Fanboy and Chum Chum, both are vain),
Sigmund The Sorcerer (Fanboy and Chum Chum, both are vain),
Smurfette (The Smurfs, both are blue, blonde and beautiful),
Ashima (The Railway Series, both are beautiful),
Fox (Franklin the Turtle, both are vain and good-looking)
Lucille (Junie B. series, both are vain and beautiful).
Lady Tremaine (Cinderella, both are vain)
Cruella De Vil (101 Dalmatians, both are vain and full of themselves)
Lightning (Total Drama series, both wear blue, are vain and full of themselves)
Dakota (Total Drama series, both are blonde and vain)
Topher (Total Drama series, both wear blue and are vain)
Duchess (Foster's Home for Imaginary Friends, both are vain)
Giant Magnet (The Brave Little Toaster, both are vain)
Tom Lucitor (Star vs. The Forces of Evil, both are vain)
Georgette (Oliver and Company, both are vain)
Karol (Disventure Camp, both are vain)
Lapis (Jewelpet, both are vain and blue)
Brainy Smurf (The Smurfs, both are blue and vain)
Anna Williams (Tekken, both are beautiful)
Sora (Winnie the Pooh Kingdom Hearts, both are vain)
Fentina (Gym leaders, Pokémon, both are vain)
Zeena (The Deadly Six, Sonic Lost World, both are vain and so lustful, Zeena is evil while Miss Vain is good)
Palutena (Kid Icarus, both are beautiful, even though Palutena isn't exactly that vain)
Vicky Violet (Letterland, both are beautiful)
Snooty Villagers (Animal Crossing, all think they're so cool)
Mandy (Totally Spies, both are vain)
Menat (Street Fighter V, both are beautiful)
Fifi La Fume (Tiny Toon Adventures, both are vain)
Plucky Duck (Tiny Toon Adventures, both are vain)
Hello Nurse (Animaniacs, both are vain and beautiful)
Robot Jones (Whatever Happened to Robot Jones, both are vain and good-looking)
Donald Duck (Mickey Mouse, both are blue and vain)
Stylish Stephanie (Little Monsters, both are vain)
Millie (The Railway Series, both are beautiful and French)
Veronica Lodge (Archie series, both are beautiful, wear blue, and are vain)
Betty Cooper (Archie series, both wear blue, are beautiful, and are vain sometimes)
Prize Popple (Popples, both are vain)
Mint Aizawa (Tokyo Mew Mew, both are vain)
Lola Loud (The Loud House, both are blonde and pretty)
Marina (Zig and Sharko, both are beautiful)
Alice (Alice in Wonderland, both wear blue, have blonde hair and are pretty)