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Sadaharu fullbody
Name: 定春
Romaji: Sadaharu
English: Sadaharu
Date of Birth: 25 Feb/Pisces
Also known as:
Physical Features
Race: Inugami
Height: 170 cm (5' 7") seated
Weight: 300 kg (661 lb)
Eye Color: Black/Dark-gray
Hair Color: White fur
Status: Alive
Professional Status
Occupations: Yorozuya 万事屋銀ちゃん
Strong Points: Bitting
First Appearances
Chapter: Lesson 10
Volume: 2
Episode: Episode 1 (Special)
Episode 10 (Official)
Voice Actors
Japanese VA: Takahashi Mikako
English VA: Kyle C. Jones (movie)
"ARF!" *Translate: Thank You*

Sadaharu (定春 Sadaharu) is a member and a pet of the Yorozuya, but is equivalent to being their mascot. Kagura usually takes care of him, but Sakata Gintoki sometimes has to walk him, much to his dismay. He is also savior of the earth, preventing an invasion of alien cockroaches in Episode 29.


Sadaharu was originally an Inugami (aka Dog God) of destruction and attack, watched over by the Priestess Sisters Ane and Mone. Sadaharu, along with his counterpart in charge of protection and defense, Komako, were entrusted with guarding the 龍脈 ryuumyaku aka Dragon's Pulse at the 龍穴 ryuuketsu aka Dragon's Lair on Earth but when the Amanto came, they built the Space Terminal over the Dragon's Pulse thus leaving Sadaharu and the sisters without a job. As time passed expenses became too high and they were forced to give Sadaharu away, and so they left him in the custody of the Yorozuya whom he has stayed with ever since.


He is a quite large white-furred dog with a red collar. He has Black/Dark Gray eyes, he is about 170 cm (5' 7") tall when seated and weighs about 300 kg (661 lb).

Throughout the series he is seen wearing various disguises and has been shown in different styles for gags.

[Edit this gallery]
Sadaharu's Different Appearances
Sadaharu distressed  
Sadaharu in an alien costume  
Sadaharu flop
Sadaharu flopping down  
Sadaharu growl
Sadaharu growling  
Sadaharu undertable
Sadaharu under the kotatsu  
Sadaharu's mini twin Komako  
Sadaharu as Sadahachi  
Sadaharu after trimmed in Episode 72  
Sadaharu "Sadaemon Wolf The Mask" in Episode 72  
Sadaharu in "Be Forever Yorozuya"  
Stray sadaharu
Sadaharu was left in front of Yorozuya's apartment in a box in Episode 45  
Sadaharu become a monster after fed with strawberry milk in Episode 45  
Sadaharu gintaman
Sadaharu parody character in "Gintaman"  
Almost bald Sadaharu in Episode 171  
Hair much
Sadaharu after taking hair fall medicine in Episode 171  
Sadaharu parody character in drama "Kintama"  
Genius Sadaharu  
Sadaharu switched into Gintoki's body in Episode 173



Sadaharu has the tendency of biting people's head. A list of head-bitten victims can be found here.

Strength & Abilities

When he is fed with strawberries and milk (Strawberry Milk), he can grow even larger and transform into a ferocious horned monster. To turn him back to his normal self again, the Yorozuya had to team up with Ane 阿音 and Mone 百音, and play catch using a baseball loaded with the power of genriki (genriki are powers attained through ascetic practices) to trace a five-pointed star charm. Komako (狛子) is his opposite half, a mini-version of Sadaharu, with the same ability to transform into a ferocious mini-horned version.


  • Sakata Gintoki: Although at first Sadaharu keeps biting Gintoki, he learned to hold back his habit. Gintoki usually takes Sadaharu for walks, Gintoki and Sadaharu learned to like each other. When Sakata Kintoki took over, only Sadaharu and Tama recognize him and stood by him.
  • Kagura:
    Kagura Episode 10

    Sadaharu playing with Kagura in Episode 10

    Kagura picked Sadaharu outside Yorozuya and she cares for him and refused to abandon him. In Inugami arc, although when Kagura questioned Sadaharu usual feeling to her, he claims that she was ranked 7th in the Jump popularity poll, he changed to his inugami form after Kagura injured.
  • Shimura Shinpachi: Shinpachi plays more of the mother role of taking care of the Sadaharu, Shinpachi usually feeds him or clean up his mess. Sadaharu observes Shinpachi and he claims to pity him because he has no speciality besides from idol otaku.
  • Elizabeth: They would fight for the role of Gintama Mascot and the popular character and fight together (they slap Sarutobi and Tsukuyo).


He was found outside Yorozuya by Kagura in Episode 10

Umibozu Arc

Inugami Arc

Benizakura Arc

Kagura used Sadaharu to give her message to Shinpachi.

Fuyo Arc

Kintaro Arc

Character Poll Arc

Glasses Arc

Timeskip Arc

Kintama Arc

Sadaharu and Tama were the ones who are not affected by the sound waves that can release Gintoki from the memories of the Kabuki district, caused by Kintoki.

Dekoboko Arc


  • His voice actor also does the voice of Terakado Tsuu
  • Sadaharu is not any giant dog nor a kind of Amanto (alien), it is a Inugami, also known as a "god dog" in Japanese oriental culture.
  • His original name was "Kamiko".


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