Princess bubblegum was finn`s crush from seasons 1-3.DYK? PB is 18 years old.She is the princess of the candy kingdom.PB was the one who suggested locking Flame princess up (i came up with this logically).She was possessed by the lich and also became 13 again in the episode "Mortal Recoil"Then she became 18 once again in the episode "Too Young".She has a butler names Peppermint Butler.