suffix
Suffix attached to the given name or full name of a male of equal or lower status, often used by superiors addressing juniors, among friends, or in school settings. Conveys familiarity or slight respect.
山田くん、ちょっと来て。
Yamada-kun, come here a moment.
田中くんはサッカー部のキャプテンだ。
Tanaka-kun is the captain of the soccer club.
suffix
Used after the name of a female of lower status, typically by male speakers in formal or workplace settings. Less common than the male usage; in many contexts さん is preferred.
鈴木くん、この書類をコピーしてくれ。
Suzuki-kun, please copy these documents.
suffix
Archaic respectful suffix for both genders, now largely obsolete except in the Japanese Diet where it is still used among members.
国会では今でも議員同士が「○○君」と呼び合う。
In the Diet, members still address each other as '○○-kun'.
さん is a general polite suffix for both genders and all status levels, while くん is more familiar and typically used for males or in formal settings for females of lower status.
ちゃん is an affectionate diminutive suffix used mainly for children, close friends, or pets, whereas くん carries a slightly more respectful or formal tone.
Derived from the kanji 君 (lord, ruler), which historically indicated respect. The suffix くん developed as a less formal alternative to さん, originally used among peers and subordinates.