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"Motivation? What more do you need than pride?"
Tadashi Yamaguchi
TadashiYamaguchi
Kanji 山口 忠
Rōmaji Yamaguchi Tadashi
Character Information
Gender Male
Date of Birth November 10
Age 16
Height 179.5 cm (5' 10.7") - April
180.0 cm (5' 10.9") - November
Weight 63.0 kg (138.9 lbs)
Background Information
Goal Practice more
Be able to play in a match as a regular
Have a greater presence
Likes Volleyball
Soft, floppy french fries
Professional Status
Occupation High School Student
(1st Year, Class 4)
Teams Karasuno High
Number 12
Position Middle Blocker
Pinch Server
Debut Information
In the Manga The King of The Court
In the Anime The Formidable Ally
Seiyu Information
Voice Actor Sōma Saitō
English Actor Cameron Bautsch

Tadashi Yamaguchi (Japanese: 山口 忠 Yamaguchi Tadashi) is a member of the Karasuno High Volleyball Club. He plays the role of pinch server in the team.

Appearance

Yamaguchi is a young-looking boy with an average build. He has short black hair, often portrayed as brown or even green with a flyaway piece of hair sticking up at the top. Back in middle school, he was teased for his freckles/acne and overall scrawniness[1]. He seems to have grown into it now, and isn't bothered about it as much.

After joining the Karasuno volleyball team during games, Yamaguchi wears Karasuno's black, orange, and white uniform with the number 12 on the back. He also wears knee pads, and white volleyball shoes with black accents.

Outside of matches and practice, Yamaguchi wears a black gakuran, the Karasuno uniform.

Personality

Yamaguchi is a pretty shy person who relies on others. Though he is generally a nice person in the anime, he tends to snicker along or join in with Tsukishima whenever he's mocking others, especially Kageyama and Hinata, in the manga.

He is hardworking, as shown when he sought for extra training on his own and how he continued practicing outside of the team, after seeing how weak he was compared to his other teammates.

After a fatal loss in the match against Aobajōsai High, he gained a lot of confidence thanks to his teammates and Makoto Shimada, who has helped him practice the jump float serve. During the summer training camp, he even stood up against Kei Tsukishima, resulting in him being surprised at Yamaguchi's actions and even calling him "cool" for the first time. Tsukishima started working harder, and their relationship returned to normal after that event.


Statistics 

Original Statistics
Power
 
2/5
Jumping
 
3/5
Stamina
 
2/5
Game Sense
 
3/5
Technique
 
2/5
Speed
 
3/5

Yamaguchi grows into a reliable pinch server with his jump float serve. Early on, Yamaguchi began practicing the jump float serve technique, not wanting to be left behind by the other first years. Although attempting and failing the serve against Aobajōsai at a tight moment of the match, he works extremely hard to improve it. He is originally hindered by his lack of experience and weak-heartedness but, since then, has grown much more assertive and confident about his role. 

Despite his skills as a server improved over time, his body control as a receiver is still lacking, resorting to body saves and unorthodox shots.

Height and reach, as of mid-November:

  • Fingertip Height: 232 cm
  • Jumping Reach: 315 cm (spike) / 300 cm (block)
Tadashi Yamaguchi Cover

Skills

  • Jump Float Serve: This serve is Yamaguchi's main weapon and has helped out Karasuno in many clutch moments. His jump float serves can vary from skimming the top of the net to catching opponent off guard having to receive from further out before. Under the tutelage of Makoto Shimada, Yamaguchi increases the speed of his serve so that opponents have a harder time reading the trajectory.[2] He also has worked on improving his aim and accuracy to target a specific player. 
  • Serve and Block Combo: This strategy involves Yamaguchi breaking the opponents' formation with his serves, thereby forcing players out from participating in offense. This would reduce the amount of information Tsukishima needs to process in order to put up an effective block. The two successfully use the serve and block technique in the match against Nekoma. [3]

Trivia

  • Favorite Food: Soft, floppy french fries
  • Current Concern: Whenever he thinks a cute girl has come over to talk to him, all they want to talk about is Tsukishima.
  • His star sign is Scorpio.
  • There has been debate over whether the dotting on his face is acne or freckles, but many believe that the specks are freckles.
    • In Haikyuu!! Radio #22, Yamaguchi's voice actor, Soma Saito, described Yamaguchi with the word "freckles" in a guessing game with Uchiyama Kouki, Ayumu Murase, and Kaito Ishikawa.
  • Since he's in Class 4 with Tsukishima, he must be smart; Classes 4 and 5 are college-preparatory classes in Karasuno.
  • His original reason for joining a sports club was so he could grow stronger. He chose volleyball specifically because the other sports clubs had "scary-looking guys"
  • He is the only first year to not be a regular of the volleyball team.
  • In the fourth instance of Haikyuu!! Radio, Yamaguchi's voice actor for the anime adaption, Saitō Sōma, was asked "What sort of person is your character, Yamaguchi?" to which he responded "Loves Tsukki very much."
  • His seiyuu, Saitō Sōma, is also the seiyuu for Twelve, a character in the anime Zankyou no Terror. Number twelve is Yamaguchi's shirt number.
  • He shares a birthday with Kenji Futakuchi.
  • When asked about Yamaguchi's name origin, Furudate said, “He’s 忠 (loyalty), like a loyal dog!”[4]
    • 忠 is also how "Hachiko" is written. Hachiko is a famous loyal Japanese dog who also shares the same birthday as Yamaguchi.
  • In Haikyuu's first popularity poll, Yamaguchi placed 15th with 1,993 votes.[5] In the second, he rose to 7th with 6,561 votes.[6]
  • Nomenclature:
    • Tadashi (忠) - Loyalty; Devotion
    • Yamaguchi (山口) - Mountain Entrance

References

  1. Chapter 87
  2. Chapter 214
  3. Chapter 298
  4. Haikyū!! Guidebook
  5. Chapter 57
  6. Chapter 123