Their first interaction came in the episode "Go With Me. Marcy spends the entire episode ruining Finn's attempts to ask Bonnie out by giving him bad ideas. When Finn is completely rejected by Bonnie, Marcy is happy to see that Finn failed and when Finn asks her to go to the movies instead, Marcy agrees as long as it's as friends. Later in the episode "What Was Missing", a Door Lord steals the main characters' possessions and locks them behind a door that can only be opened by singing the truth.
She is voiced by Hynden Walch. She is good friends with the series' protagonists Finn the Human and Jake the Dog , first appearing with them in Ward's pilot. Bubblegum is typically very kind and compassionate, having a strong sense of justice, though she shows a dark side when provoked. She is highly intelligent, being responsible for the creation of the Candy People as well as various devices including a miniature time machine. She is fluent in German and Korean , using the latter language to communicate with her friend Lady Rainicorn.
Marceline and Princess Bubblegum spent years in limbo. Scenes depicting the slow growth of their romance were subtle. Fans were divided based on whether they saw the relationship as a simple friendship or something more intimate. The finale kiss scene settled all arguments and just about everyone was overjoyed to see the couple confirmed. The years that it took for the writers to confirm Bubbline make people hesitant to admit that the pairing has its flaws.