America has a pet whale that lives in a pool in his backyard. It is noted that the Whale is fond of Lithuania.
America is seen with a small rabbit in some panels of the manga, during his early stages of being a country. This is believed to be a pun, as the Japanese word for "rabbit" is "usagi" and America is often known as the USA
America was given a unicorn on his bicentennial birthday by England.
Australia has a Koala that seems to be constantly glaring.
Note: Himaruya has suggested that Female!Australia's Koala is even more ferocious.
China's pet panda's name is unknown, but China almost always carries it on his back, in a bamboo basket. China refers to it simply as "Panda". It is stated in notes by Himaruya that China has with him a different panda every time.
Flying Mint Bunny
The most popular of the magical creatures that only England can see, shown to be a flying, mint-colored bunny. It may be a reference to the popular folktale that a rabbit that lives on the moon, based on pareidolia that identifies the markings of the moon as a rabbit. He is also seen to have a fitful love interest for England.
Curiously, the name of Flying Mint Bunny in the original Japanese version can be roughtly translated to Mrs.Fairy
GilbirdPrussia's pet bird was seen delivering the letter declaring the War of Austrian Succession to the Archduchess of Austria. Gilbird is also frequently seen flying around or sitting on top of Prussia's head. Gilbird is also mentioned in the Oresama no Blog, where Prussia is surprised when he was informed by Italy that the bird sits on his head, showing that he was previously unaware of the bird's presence. There are some pictures by Himaruya depicting Gilbird with a hat, so it may be assumed that Prussia had taken notice of him. Prussia has been occasionally depicted with more than one of these Gilbirds, similar to France having several birds looking identical to one another, and it is often assumed that they are named Gilbird.
Greece has multiple homeless cats following him around in reference to the large homeless cat population of Greece. So far, only one of the cats, Corporal Cat, has been named.
Hanatamago is a white puppy belonging to Finland, first appearing in the strip "Su-san and the Dog". She can talk under certain circumstances, having made an appearance at the 2010 Christmas Event and co-hosting the 2007 Christmas Event. Finland first found her as a stray, and, after coming up with a slew of strange names for her, compromised with Sweden to name her Hanatamago, "hana" meaning "flower" and "tamago" meaning "egg" in Japanese. Hanatamago is also known for being the icon of George deValier . She is sometimes nicknamed "Hana."
In a blog post in May of 2008, Himaruya said that she may represent the Åland Islands.
Note: The "family" of Sweden, Finland, Hanatamago, and Sealand, (sometimes also including Ladonia,) is known as the "Hanatamago Family".
Canada has a polar bear named Kumajirou, who never can remember that his owner is named Canada. Canada also forgets Kumajirou's name in return. They are almost never shown without the other. Fans sometimes abbreviate his name as Kuma.
During Christmas, when Canada receives a call asking if Santa had arrived there, he apologizes and says he can't fill in for Santa. Kumajirou notices, and tells Canada that he wants to help. Canada becomes extremely happy (presumably because Kumajirou noticed him), and when England asks what happened, Canada replies that "he just received a Christmas present."
Iceland has a puffin that is often called Mr. Puffin by fans or 'Puffin-san' (Mr. Puffin)' or simply 'Puffin' in the official Hetalia Fantasia CD series.They have been seen in the anime and manga together multiple times. The puffin is able to talk, and has been featured in Iceland's character song 'With love, from Iceland '. The puffin speaks roughly and informally in both the Japanese and English dub. In the English, he speaks like a mafia boss.
Pierre is seen with France , and is known to be his pet bird, similiar to Prussia and Gilbird. It's been noted that since France seems to have various birds that look identical to one another, "Pierre" is likely a name that France uses to refer to all of the birds, and it is also stated in the anime that he has a bird named Pierre 02.
Usually accompanying Japan, his owner, he is a Shiba Inu dog that has a personality similar to Japan's. He has been shown to communicate and interact with Netherlands' pet rabbit, asking the rabbit to "take responsibility" when he was licked by the rabbit, similarly to how Japan asked Italy to take responsibity after the latter kissed him. He also often carries Japan-cat on his back in the Nekotalia series.
Poland has a brown pony with a dark brown mane and a light brown stripe on his nose.
The pony also appeared in Hetalia: Paint it White, after it turned into a pictonian.
Often seen with America, Tony was found after America discovered that a UFO had crashed in New Mexico (Episode 66). Tony is able to speak English, but usually speaks in a language of rude english words. (As shown in Hetalia: Axis Powers: Paint it, White) He also loves video games and making fun of America when America becomes scared of horror movies.
Norway has been seen with a troll in the manga a few times. It has been believed it is Norway's friend or companion, similar to England's Flying Mint Bunny. Its name is unknown and most fans just refer to it as 'Troll'.
Wy has an albino rabbit, which she is seen holding while in her garden. The rabbit appears to be very loyal to her due to it following after her when she confronts Sealand.