noun
poster boy/girl; brand ambassador; campaign character
A person or mascot used as the face of a promotional campaign; wasei-eigo from 'campaign character'.
wasei-eigo (Japanese-coined English), from campaign character
新商品のキャンペーンキャラクターに人気俳優が起用された。
A popular actor was chosen as the brand ambassador for the new product.
このお菓子のキャンペーンキャラクターは、かわいいクマのイラストです。
The campaign character for this snack is a cute bear illustration.