サブキャラクター

noun

minor character; supporting character

Refers to a character in a story, game, or anime who is not the main protagonist. Often used in discussions of fiction, games, and media. The term is wasei-eigo from 'sub-character'.

wasei-eigo (Japanese-coined English), from sub-character

• このゲームではサブキャラクターにも深ふかいストーリーがある。

  In this game, even the minor characters have deep stories.

• 彼かれはいつもサブキャラばかり使つかっている。

  He always plays only supporting characters.