Princess Bubblegum (full name Princess Bonnibel Bubblegum, often called PB and on occasion Peebles or Poibles) is a main character on the series Adventure Time that first appeared in the Animated Short. She is the benevolent ruler of the Candy Kingdom, and is Finn's former crush. Marceline calls her by her first name, Bonnibel. At the end of "Mortal Recoil," she was transformed into a 13-year-old, but returned to her normal biological age of 18 years in "Too Young."