"Bing Bong" is a fictional character from the animated film Inside Out, produced by Pixar Animation Studios. He is a whimsical imaginary friend of the main character, Riley, and is depicted as a pink, elephant-like creature with a bell on his tail. Bing Bong represents the innocence and joy of childhood, embodying the playful aspects of Riley's imagination. In the film, Bing Bong helps Riley navigate her emotions as she faces challenges during a significant life transition. His character highlights the importance of embracing memories and the bittersweet nature of growing up, ultimately teaching valuable lessons about friendship and letting go.