Pinnipeds (from Latin pinna "wing or fin" and ped- "foot"), or fin-footed mammals, are a widely distributed and diverse group of semi-aquatic marine mammals. Seals, sea lions, and walruses are well-known examples of pinnipeds. In addition to inspiring the names for many sports teams (such as the three sports teams in the San Francisco, California area known as "the Seals"^[1]), pinnipeds have also inspired a number of fictional characters, creatures, and entities across human culture and media.

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• In Icelandic folklore, the magical seal on whose back Sæmundur Sigfússon traveled from Europe to Iceland
• Balloon-Meister, a sea lion who is a member of the beast pack, from Kirby and the Forgotten Land.
• Bobbie, a seal hostess of the second season of the Canadian adult animated television series Life's a Zoo
• Chip, a seal from Hello Kitty's Furry Tale Theater
• Fluke, Rudder and Gerald, sea lions from Finding Dory
• Flynn, an elephant seal in Ice Age 4: Continental Drift
• Pup, a seal from In Search of Santa
• Sirotan, a harp seal Japanese merchandise character^[2]
• Stefano, a sea lion in Madagascar 3: Europe's Most Wanted
• Havoc, also known as Lang in Japan, an anthropomorphic seal who is the main protagonist of the video game High Seas Havoc
• Hunter, a leopard seal in The Penguins of Madagascar
• Short Fuse, a harp seal in the Penguins of Madagascar
• Sophie, a circus seal whom Dr. Dolittle befriends and helps escape back to the ocean, in Doctor Dolittle's Circus () and also in Dr. Dolittle
• Rojas, a leopard seal in Happy Feet and Happy Feet 2
• Bryan the Beachmaster, an elephant seal in Happy Feet 2
• Lou Seal, mascot for the San Francisco Giants
• Kotick, the main character in Rudyard Kipling's short story The White Seal, later made into a cartoon by Chuck Jones
• Salty, a seal that appears in the Disney cartoons Pluto's Playmate and Mickey and the Seal and later in Mickey's Mouseworks, House of Mouse and Mickey Mouse Clubhouse
• The title character of Andre
• Skæg, a seal sea captain in the Danish comics series Rasmus Klump
• Slappy the sea lion from the film Slappy and the Stinkers
• Sully, a sea lion from Danger Rangers
• Thornton, a harbor seal from Shark Bait
• Whiskers from Manta and Moray
• Esmeralda the sea lion from the Disney version of 20,000 Leagues Under the Sea
• The San-X company characters Mamegoma
• The main characters of Romeo & Juliet: Sealed with a Kiss
• Sandy, an orphaned seal from the film Sandy the Seal
• Sparky, an escaped seal in the episode "Love and Sandy" from the 1964 television series Flipper
• Wolfgang the Seal, former character from Sesame Street
• At the end of the fantasy novel Kitty and the Midnight Hour, there is a mention of Homo sapiens pinnipedia, a wereseal. This mention is expanded upon in Kitty's House of Horrors, where the heroine meets a wereseal, Alaskan state legislator Lee.
• Robby, friend of Pingu
• Robby, a friend of Lars from The Little Polar Bear
• The titular character of Seabert, a whitecoat seal
• Smaxey, the former seal mascot of Kellogg's Sugar Smacks
• Sneezly, Hanna Barbera's sneezing seal from Breezly and Sneezly

• The Walrus from Lewis Carroll's poem "The Walrus and the Carpenter"
• Capn' Cragg, a walrus from In Search of Santa
• Chumley, the walrus sidekick to Tennessee Tuxedo (the Penguin) ^[3]
• Coach Whistler, a walrus who lives in the Land of Play in Jim Henson's Pajanimals
• Dash, a walrus from The Little Mermaid II: Return to the Sea
• Hercule Moustache, a grumpy walrus with a French accent who lives in Mossy Bay, in 64 Zoo Lane
• Jim McSweeney from the second issue of The Adventures of Sly Cooper
• The Sea Vitch, a rude walrus in Rudyard Kipling's short story The White Seal
• Thrasher, a walrus in Tappy Toes
• Wally Walrus
• Rotor Walrus, a technician walrus from Sonic the Hedgehog (Archie Comics)
• Whoopie the walrus in Rocket: Robot on Wheels
• Winthrop, a walrus in Piper Penguin and His Fantastic Flying Machines
• Kapitein Wal Rus, a sea captain in Tom Poes
• Captain Thames in Xenogears
• The cruel walruses in the movie adaptation of The Jungle Bunch, a Canadian-American children's show
• Wozza, a walrus who lives in a cave in Freezeezy Peak in Banjo-Kazooie
• A walrus named Rusty Walrus who appeared in Crash Twinsanity during the level of High Seas Hi-Jinks, who chases Crash which he calls fresh meat for his pot.
• Russell, a walrus with a storage unit inside in Middlemost Post.
• Mr. Frosty, a walrus who serves as a mini-boss from Kirby series.