Plush toys are not a trope on their own. You may be looking for one of the following:
- Companion Cube: Somebody treats a plush toy like a real person.
- Girls Love Stuffed Animals: A work giving female characters stuffed animals to give a her an air of youthful femininity.
- The Merch: Merchandise released as tie-ins for works.
- Security Blanket: An item, which could be a stuffed animal, that provides comfort or security to its owner.
- Sentimental Homemade Toy: A homemade toy symbolizes the emotional connection between two characters, usually a parent and child.
- Toy-Based Characterization: The use of toys as a storytelling device for characters.
If a direct wick has led you here, please correct the link so that it points to the corresponding article.