as well as popular solo songs, including "I'm Me", "Not So Bad a Dad", "I'm Lindana and I Wanna Have Fun", "Happy New Year" and many others, including her song in the Phineas and Ferb Christmas Vacation special "Got That Christmas Feeling". She has written songs for Phineas and Ferb and has written and recorded her own songs with renowned music producers Rick Nowels, Camara Kambon and Hollywood jazz great Rob Mullins, while Olson's father wrote "over 200 songs for the series" and various episodes. In 2011, Olson voiced Vanessa in a deleted scene of Phineas and Ferb the Movie: Across the 2nd Dimension, which included a musical number, but sang a song for the film "I Walk Away". Her role as Vanessa led to her role as Marceline the Vampire Queen in Adventure Time. During the show's production, the show creator, Pendleton Ward, contacted Olson's father, Martin Olson, then writing for Phineas and Ferb, asking if he knew who played Vanessa in the show. He was not aware, at the time, that Martin was Olson's father. She would also voice Marceline in the 2012 video game, Adventure Time: Hey Ice King! Why'd You Steal Our Garbage?!!. 2013-2018: Adventure Time, Steven Universe, and Phineas and Ferb In 2010, Olson got the role of Marceline the Vampire Queen on the animated Cartoon Network series Adventure Time. Olson said she was impressed by her character's fashion design and the costuming for Marceline, saying she occasionally admired the unique designs for the character in episodes. During the audition for the role, Olson first read for Princess Bubblegum, but later read for Marceline. Reportedly when getting into character for the role she often dressed similar to Marceline when she recorded her lines In the show, her father played Hunson Abadeer, the father of Marceline. In the series, Olson also sings Marceline's songs, which were written by storyboard artists, or other people affiliated with production. As such, The Guardian praised Marceline as a character, noting in particular that "she's ... responsible for some of the show's best songs." The series was a commercial and popular success and her character attracted positive critical attention from critics, and fans alike, along with the production crew of Adventure Time. This popularity was even recognized by the company that owns Adventure Time with the official press release for the Adventure Time: Marceline and the Scream Queens companion comic book