Usapyon

is a Rank B Ice-attribute Merican Yo-kai of the Shady tribe.

USApyon is the partner of Inaho Misora, and one of the mascots of Yo-kai Watch 3 and the Yo-kai Watch franchise. He is also the mascot of Yo-kai Watch Busters: Moon Rabbit Team.

Biology
USApyon wears a yellow spacesuit that has rabbit-like ears on the hood, and he carries a small orange ray gun modeled after a carrot. He also has a blue jet pack attached to his back. USApyon has another mode known as where a glass plate flips over his face, black smoke fills his helmet, and his eyes turn red.

While in Vader Mode, USApyon typically shoots at the target of his anger, usually Inaho. When his rage is at its peak, he engages in, where he gains pink armor and a teal-green cape. His Vader Mode-like eyes are also noticably thicker and gain a spike. USApyon's gun has also changed colors to reflect Emperor Mode.

USApyon used to be an otter that was later named "Chibi" that ended up in a rabbit farm for some unknown reason. In Corocoro comic, he was bullied by other rabbits for being different from them. One day, he was selected by NASU for the first animal into space. But when they tried to test Chibi with a rocket engine, he panicked and got electrocuted by the circuit board and the rocket exploded. In Chibi's death, USApyon was born.

In the anime
USApyon made his debut in Episode 77, where he tells Inaho to buy a space watch which later turned out to be a Yo-Kai Watch U Prototype. After Inaho summoned USApyon, he asks her for her help but she was not interested. He then begged her to listen to his story which he explains that he is looking for a person. After explaining who the person is he is looking for, he tells his background. But Inaho was reading a manga, which made USApyon use his Vader Mode to make her listen. He explains his backstory. He then ask her to find him so that he can apologize. Inaho refuses, but then he gave her the limited edition Sailor Piers figurine. After finding him, he promised that they will build a better rocket.

Inaho Misora
Frankly, USApyon sees Inaho as a bit of a dummy. He gets annoyed by Inaho's antics often, sometimes causing him to go Vader Mode on her.

USApyon puts up a ton from Inaho, though his breaking point is when Inaho breaks something of his and doesn't apologize, which he proceeds to run away to Nate.

Despite everything they go through, USApyon and Inaho do clearly care for each-other.

Nate, Whisper, and Jibanyan
When USApyon arrived in Japan, he admitted he was looking for Nate. He shrugs this off after becoming friends with Inaho.

While USApyon is a little irritated with the three when they first meet, mainly at Whisper for mispronouncing his name as 'U-S-A-pyon', he is willing to work with them if need be.

Tomnyan
USApyon and Tomnyan first meet thanks to Nate and the two seem to hit it off rather easily and get along quite well due to them both being Merican Yo-kai. USApyon enjoys Tomnyan's singing, unlike the rest of the characters, he even danced to it. However, this does not stop him from turning Vadar Mode at him.

Costumes
USApyon can change his Elemental Technique's attribute, depending on the costume his is wearing, and were considered Rare Yo-kai. In Yo-kai Watch 3, they were later made separate Yo-kai, along with his B-USApyon costume, and stripped them of their Rare Yo-kai status, except for B-USApyon:
 * changes his attribute to Fire. In Yo-kai Watch 3, American Football Style instead has a Lightning attribute.
 * changes it to Lightning. In Yo-kai Watch 3, Driving Style instead has a Wind attribute.
 * changes it to Water.
 * changes it to Earth.

Moveset
(American Football Style)

(Marine Style)

(Military Style)

(Driving Style)

(w/ Emperor Chip equipped & Emperor Mode active)

In other languages

 * Korean: 우사뿅 Usappyong
 * Chinese:

Trivia

 * USApyon has the most B Medals out of any Yo-kai, having B Medals for himself, his Costumes (B-USApyon included), Vader Mode and Emperor Mode, totaling up to 8 B Medals.
 * USApyon wears a rabbit helmet although he is an otter, which alludes to him wanting to be like the experimental rabbits.
 * USApyon's "Vader Mode" and "Emperor Mode" are references to the franchise.
 * USApyon believes that when he was a test subject, he was treated well, but eventually relearned he was kept in a cage and fed whenever the scientists told him to.
 * USApyon's actual name is, meaning "squirt, short stuff".
 * USApyon is currently the highest-ranked Partner Yo-kai at Rank B, with Jibanyan being Rank D and Whisper at Rank C.
 * While USApyon was removed from the localization of Yo-kai Watch Wibble Wobble aside from the main trailer/movie, one Medal Point reward a player can get is the title of 'Pyon'.
 * The Final Fantasy XIV Collaboration Event kept his name unchanged when he was was localized worldwide much like the other mascots.

Name Origin
"USApyon" is a combination of the USA acronym and uso-pyon (うそぴょん, "psych!"). It is also a combination of and.