GOROPIKADON (ゴロピカドン)

GOROPIKADON (ゴロピカドン) is an official Sanrio character group introduced in 1982. The trio consists of three 8-year-old thunder-themed triplet brothers from the Land of Thunder: Don, Goro, and Pika.

Yes. GOROPIKADON is an authentic, officially registered Sanrio character property created in 1982 that continues to participate actively in official merchandise, digital games, and the annual Sanrio Character Ranking.

In Japanese, the group is written in katakana as ゴロピカドン (Goropikadon).

GOROPIKADON officially debuted in 1982 during Sanrio's golden era of 1980s character development.

There are three members in GOROPIKADON: Don, Goro, and Pika. They are triplet brothers born in the Land of Thunder.

Don, Goro, and Pika are the three triplet brothers who make up GOROPIKADON. Don is the green-haired eldest brother and inventor, Goro is the blue-haired middle brother and food-loving joker, and Pika is the pink-haired youngest brother who plays thunder drums and talks to animals.

Yes. They are full triplet brothers born on the exact same date in the Land of Thunder.

Yes. Sanrio's official character lore explicitly establishes Don, Goro, and Pika as a trio of triplet brothers (三つ子の兄弟).

Don (ドン) is the eldest brother (長男). He is recognizable by his green curly hair.

Goro (ゴロー) is the middle brother (次男). He is recognizable by his blue curly hair.

Pika (ピカ) is the youngest brother (三男). He is recognizable by his pink curly hair.

Don, the eldest brother and aspiring inventor, has bright green hair.

Goro, the middle brother who loves jokes and eating, has bright blue hair.

Pika, the youngest brother who plays thunder drums and talks with animals, has bright pink hair.

GOROPIKADON hail from the fantastical Land of Thunder (かみなりの国 / Kaminari no Kuni), a mythical realm situated high among thunderclouds.

The Land of Thunder is the fictional homeworld of GOROPIKADON, filled with floating thunderclouds, lightning peaks, and thunder drum workshops.

The brothers attend Thunder School (かみなりの学校 / Kaminari no Gakkō) in the Land of Thunder.

Thunder School is the academy in the Land of Thunder where young thunder residents learn thunder crafting, cloud navigation, and kingdom traditions.

Despite being thunder triplets who command thunder and lightning, GOROPIKADON share a humorous canonical dislike of rain, preferring dry, electrifying storm clouds.

GOROPIKADON's official birthday is recorded in the fictional Thunder Calendar as Year 53, Month 14, Day 25 (かみなり歴53年14月25日).

It is a whimsical in-universe fictional calendar date created by Sanrio to reflect the brothers' mystical origins in the Land of Thunder. It should not be converted into a Gregorian calendar date.

Sanrio's official character profile establishes all three brothers as canonically 8 years old.

In Sanrio character lore, 1982 marks the debut year of the intellectual property, while 8 years old represents the brothers' permanent in-story canonical age.

Don is serious, earnest, diligent, and meticulous. He loves studying schematics and building curious mechanical gadgets.

Don loves inventing new machines, sketching blueprints, and experimenting with new contraptions in his workshop.

Don's greatest lifelong ambition is to win a Nobel Prize for his inventive scientific creations.

Don, the green-haired eldest brother, dreams of winning the Nobel Prize.

Goro is lively, humorous, cheerful, and loves telling jokes to make his brothers and friends laugh.

Goro is the quintessential big eater (食いしん坊) of the trio, possessing a hearty appetite and a passion for delicious snacks.

Goro, the blue-haired middle brother, is the resident joker who brings humor to every situation.

Pika is gentle, sweet, shy, and slightly pampered (甘えん坊), enjoying the affectionate care of his older brothers.

Pika is exceptionally skilled at playing thunder drums (かみなり太鼓), producing rhythmic beats that resonate across the skies.

Pika has the unique, gentle ability to communicate directly with animals such as woodland birds, bunnies, and forest creatures.

Yes. Early historical designer interviews identified girlfriends for the three brothers known collectively as the Thunder Girls (Kaminar Girls): Ai-chan (for Goro), Love-chan (for Pika), and Yu-chan (for Don).

Ai-chan (アイちゃん) is Goro's girlfriend in historical designer lore, described as a cute girl with charming freckles.

Love-chan (ラブちゃん) is Pika's girlfriend in historical designer lore, described as an energetic girl who loves sports.

Yu-chan (ユウちゃん) is Don's girlfriend in historical designer lore, described as a stylish girl who wears a pretty ribbon.

The Thunder Girls (かみなりギャル / Kaminar Girls) is the collective name given in historical development notes to Ai-chan, Love-chan, and Yu-chan.

GOROPIKADON originated from a character design proposal that was initially rejected at Sanrio. When previewed in The Strawberry News (Ichigo Shimbun), reader enthusiasm was so massive that Sanrio greenlit the trio for official merchandise.

Yes. The design concept was initially set aside during internal reviews before public reader feedback in Strawberry News revived the project.

The Strawberry News published the concept sketches, received huge reader demand, and hosted a public naming contest where fans submitted the names Don, Goro, and Pika.

Their names were selected from submissions sent in by enthusiastic readers of Sanrio's monthly publication, The Strawberry News (いちご新聞).

In early promotional development lore, the brothers were described as visiting Earth to brighten people's hearts and bring energetic smiles using the cheerful electricity of thunder.

No. GOROPIKADON never received a standalone dedicated television anime series, though they have appeared in supporting roles and animated shorts.

Yes. GOROPIKADON have made cameo and supporting appearances in vintage Sanrio theatrical shorts, festival animations, and anthology video releases.

No. GOROPIKADON has no standalone feature-length theatrical movie.

A standalone official theme song is not confirmed in reviewed Sanrio musical discography, though the trio is featured in theme park parades and promotional soundtracks.

GOROPIKADON appear in modern Sanrio mobile and digital titles including Sanrio Characters Miracle Match: Magical Tag, Sanrio Characters Waku Waku House, and Hello Kitty World 2 events.

Yes. GOROPIKADON have been featured in the magical tag game Sanrio Characters Miracle Match as collectible, playable characters and special event avatars.

Yes. Sanrio offers official GOROPIKADON LINE sticker sets and digital themes celebrating the brothers' expressive facial reactions and 80s retro aesthetics.

In 2023, GOROPIKADON held Entry No. 45 and achieved a strong Final Rank of #36.

In 2024, GOROPIKADON held Entry No. 35 and placed Final #47 overall.

In 2025, GOROPIKADON held Entry No. 47 and finalized at #49 overall (purging earlier erroneous #60 claims).

In 2026, GOROPIKADON entered the competition as Entry No. 49.

In 2026, GOROPIKADON achieved an impressive Final Rank of #42, advancing +7 positions from their 2025 finish.

Yes! GOROPIKADON is fully active in 2026, featuring in the 2026 Sanrio Character Ranking (#42), licensed stationery, retro fashion collections, and digital media.