This is the 4109th most frequent Japanese word.
マスコット
Mascot; a character, object, or symbol representing a group, event, or organization.
マスコット refers to a symbolic character or figure that represents a team.
このスポーツのチームにはかわいいマスコットがいます。
This sports team has a cute mascot.
マスコット in this context is represented by a costume worn during an event.
学校の文化祭にマスコット着ぐるみを使って宣伝しました。
We used a mascot costume to promote the school festival.
マスコットキャラクター refers to a character designated symbolically for an organization or municipality.