A prop is something an actor, whether In-Universe or Real Life, physically holds or interacts with in a production. Actors use props to connect their performances to reality which helps establish Willing Suspension of Disbelief for the audience.
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Another / Characters - TV Tropes, another anime characters
Chrono Crusade (Manga) - TV Tropes
Genshin Impact - Adepti / Characters - TV Tropes
The Super Mario Bros. Movie (Western Animation) - TV Tropes
Just a Face and a Caption: Living Prop - TV Tropes Forum
Indiana Jones and the Last Crusade (Film) - TV Tropes
Main/Prop Recycling - Television Tropes & Idioms
Planning with Props - TV Tropes
Die, Chair, Die! - TV Tropes
They Wasted a Perfectly Good Sandwich - TV Tropes
Surprisingly Realistic Outcome - TV Tropes
Fake Ultimate Hero - TV Tropes
The Traitors US (Series) - TV Tropes, traitors never win
The Man Behind the Monsters - TV Tropes