Klein

One of Kirito's first friends

A veteran player in Sword Art Online equipped with Japanese-style gear, one of Kirito's best friends.

Quotes

  • If you give up, the match ends there
  • Comrades don't betray
  • Real friendship continues even outside the game
  • I won't lose

Trivia

  • One of the few characters who sticks to Japanese-style armor.
  • One of Kirito's few reliable early friends.
  • Gains popularity due to Hiroaki Hirata's husky voice.
  • Active as a mid-tier player in the game.
  • Has a backstory of being a PE teacher in the real world.

Alternate names

Klein Klein-san ronin

Tags

Sword Art Online game character Japanese style ronin player Kirito's friend

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Profile

Species
Human
Gender
Male
Birthday
June 6

Appearance

Overall appearance
A dignified middle-aged man wearing ronin-style Japanese armor. Short black hair and calm eyes are features.
Height
Approximately 175cm
Weight
Secret
Eye color
Brown
Hair color
Black
Distinguishing features
  • short hair
  • slightly muscular
  • Japanese-style equipment
Iconic items
  • Japanese-style armor
  • katana
  • shinai
  • red hachimaki

Personality and abilities

Core personality
Sincere
Detailed personality
Warm-hearted and sincere, thinks of his friends. Possesses calmness and a caring nature, serving as the team's coordinator.
Keywords
  • sincere
  • kind
  • reliable
  • loyal in friendship
  • calm
  • caring
Motto
Cherishing friends is the greatest treasure
Talents
  • knowledge of swordsmanship
  • tactical eye
  • leadership
  • game clearing ability
  • communication skills
Skills
  • melee combat
  • team play
  • knowledge sharing
  • survival skills
  • NPC negotiation
Motivation
To deepen bonds with comrades and safely escape the game.
Habits
Catchphrase: 'If you give up, the match ends there'
Favorite foods
udon, yakitori, miso soup
Hobbies
kendo, iaido
Favorite colors
red, black
Disliked situations
betrayal, bullying the weak
Disliked insects
bees, centipedes

History

Backstory
Within the VR game 'Sword Art Online', he became early friends with Kirito and supports him as a veteran player. Known as a ronin-like swordsman, adhering to Japanese-style equipment and style.
Debut date
2012
Work title
Sword Art Online
Media type
Anime
Episode or chapter
Episode 1

Meeting with Kirito

Significant event
Meeting with Kirito
Description
Met Kirito right after the game started and built a friendship.

Continued Battles and Survival

Significant event
Continued Battles and Survival
Description
Has overcome numerous crises and survived in the harsh game.

Side Activities

Significant event
Side Activities
Description
Active as Kirito's support role both in and outside the game.

Relationships

Kirito

Best friend

Friendship from the game start and numerous joint battle experiences

Silica

Teammate

Cooperation in in-game team

Lisbeth

Teammate

Collaboration in weapon crafting and battles

Kirito's Guild Friends

Kirito's Guild Friends: strategist

Media appearances

Sword Art Online

Anime / Supporting

2012 TV series

Sword Art Online

Manga / Supporting

Sword Art Online Fatal Bullet

Game / Supporting

2018

Voice cast and creators

Hiroaki Hirata

Voice actor
Hiroaki Hirata
Language
Japanese
Version or series
TV anime version

Chris Hackney

Voice actor
Chris Hackney
Language
English
Version or series
English dub version

Reki Kawahara

Creator name
Reki Kawahara
Role
Original author

abec

Creator name
abec
Role
Character designer

A-1 Pictures

Creator name
A-1 Pictures
Role
Animation studio

Related goods

Klein 1/8 Figure

Item name
Klein 1/8 Figure
Category
Figure
Availability
Regular

Klein Acrylic Stand

Item name
Klein Acrylic Stand
Category
Accessory
Availability
Regular

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