Mr. Potato Head is from the Hasbro toy line, Mr. Potato Head conisting a plastic model of a potato. In the toy line, Mr. Potato Head encourages kids to eat right and exercise.It first appeared in the parade in 2005. Then, it retired in 2007. While the balloon wasn't related to his appearence in the Toy Story movies, his co-star Buzz Lightyear spiritually replaced him in 2008.