noun
background character; mob; NPC
Abbreviation of モブキャラクター. Used in manga, anime, and games for minor characters without distinct personalities, often crowd fillers or generic enemies.
このアニメのモブキャラはみんな同じ顔をしている。
The background characters in this anime all have the same face.
RPGでモブキャラを倒して経験値を稼ぐ。
I defeat mobs in the RPG to earn experience points.