Per official character profiles he was born in Fuwafuwa Town on February 29 in a leap year. According to official character profiles his birthday is February 4 and he lives in France with a mouse friend called Tabby. According to official character profiles his birthday is on May 5 (Children's Day) and he is a happy and energetic boy who likes sports. Per official profiles her birthday is on May 7 (Powder Day). Per official profiles Badtz-Maru's birthday is April 1 (April Fool's Day). According to official character profiles, Chococat's birthday is May 10 and his whiskers are able to pick up information like antennae, so he is often the first to know about things. According to official character profiles his birthday is January 13 and his full name is Oyama No Monkichi, which translates to "Monkichi of the Mountains". Official profiles say she was born March 21, lives in New York City, likes fashion and is friends with a cat named Sassy. In 2010 The New York Times described San-X as a smaller, nimbler company, with potential to surpass the Sanrio corporation. In addition to this Cinnamon has appeared as a supporting character in several other animated series and video games from Sanrio.

As of 2019 Piano was a meetable character at Sanrio Puroland.

Several video games featuring Cinnamoroll were released for Game Boy Advance and Nintendo DS. Plasmagica (プラズマジカ, Purazumajika) is an all-girl fictional band who debuted in Sanrio's iOS game Show by Rock, which is geared towards young boys. 2019 and is a casual collecting game. As of 2019 Piano was a meetable character at Sanrio Puroland. Badtz-Maru has gone through many product lines since his release at Sanrio in 1993. He has been portrayed as an astronaut, motorcyclist, DJ, camouflage monster, basketball player, boxer, and many others. He is portrayed as surrounded by friends and family, such as Hana-Maru, a friendly white seal, Pandaba, a female panda who wears a red bikini skirt and likes Badtz-Maru, and Pochi, a baby alligator, Badtz-Maru treats like a pet dog. Badtz-Maru is depicted with many different facial expressions and poses, but a common expression is of pulling one lower eyelid down and sticking out his tongue, a gesture equivalent to blowing a raspberry. Piano started out as a supporting character in the 2005 anime series Onegai My Melody where she only spoke by baaing and bleating. Kuromi (ja:クロミ, Kuromi) first appeared as the rival of My Melody in the anime Onegai My Melody.

Pompompurin (ja:ポムポムプリン, Pompompurin) is a golden retriever dog character resembling flan wearing a brown beret first introduced in 1996. According to official character profiles Purin was born on April 16 and his friends include a hamster called Muffin, a mouse named Scone, a squirrel named Bagel and a bird named Custard. According to official character profiles he was born January 1 in the year of the rat, and can fly by flapping his big ears. The main character, who is known by the names Cinnamoroll and Cinnamon (シナモン, Shinamon), is depicted as a white dog with a curly tail that resembles a cinnamon roll, and long ears he can fly with. Japan: Love and Hate Story of the Mascot Character, "Sento-kun". A series of books featuring the character, called Tabo no Kotoba (たあ坊のことば, Tābō no kotoba), has according to Sanrio sold over 500 000 copies in Japan. Cinnamoroll was the second most successful Sanrio character in 2005, after Hello Kitty. Chococat is one of the characters in the 2020 web series Hello Kitty and Friends: Supercute Adventures, voiced by Michelle Marie. NA) is a rabbit character drawn with different colored ears, one pink and one blue, and a flower on her head.

He is depicted as a character who likes joking around but also feels lonely, and whose plans of heroism often go awry. Meanwhile, Hämsterviel plans to use Welco's bubble powers to send Stitch out into the ocean and drown him. After the concert, they all go and make personalized chocolate valentines, but Hämsterviel is scheming to use Fudgy, now outfitted with the ability to grow after eating chocolate. He was originally designed in 1984 by Akiko Shimasue (島末彰子) for kawaii keychains cheap use on greeting cards. Chococat (チョコキャット, Chokokyatto) is drawn as a black cat with huge black eyes, four whiskers, and like his counterpart Hello Kitty, no mouth. Other characters in the series include Cappuccino (カプチーノ, Kapuchīno), with a mouth that looks like a cup of cappuccino, Chiffon (シフォン, Shifon) with ears that are fluffy like a chiffon cake, Espresso (エスプレッソ, Esupuresso) with a Mozart hairstyle, Mocha (モカ, Moka) with chocolate-brown fur, and Milk (みるく, Miruku), a white baby puppy. Happiness for him is always short-lived, so he has the tendency to get drunk on milk. Pochacco (ja:ポチャッコ, Pochakko) is drawn as a white dog with black floppy ears, but no visible mouth. Monokuro Boo - A black pig and a white pig.