Final answer:
In the book 'Wonder,' August Pullman's favorite stuffed animal is named Bear. It represents comfort and security in his life.
Step-by-step explanation:
In the book Wonder, August Pullman, who is the main character of the story, has a favorite stuffed animal named Bear. This stuffed animal is very important to August, as it provides him with comfort during challenging times. Bear signifies more than just a toy for August; it is a symbol of security and familiarity in his life, which is full of medical procedures and the struggle to be accepted by others because of the way he looks.