Darmstadtium team proposed the name "becquerelium" after Henri Becquerel. The American team in 1997 proposed the name "hahnium" after Otto Hahn (previously this name had been used for element 105). The name "darmstadtium" (Ds) was suggested by the GSI team in honor of the city of Darmstadt, where the element was discovered. The GSI team originally also considered naming the element "wixhausium", after the suburb of Darmstadt known as Wixhausen where the element was discovered, but eventually decided on "darmstadtium". The new name was officially recommended by IUPAC on August 16, 2003. Darmstadtium has no stable or naturally occurring isotopes. Several
What Was Missing inspired by an incident that Sugar had experienced with a former roommate. Although the two often fought, Sugar desperately wanted them to be friends despite not particularly liking her. Sugar transferred this situation onto Marceline, writing the song so that Marceline—while having issues with Princess Bubblegum—wanted to become her friend. "My Best Friends in the World" was written by Sugar as a celebration of the friendship she shared with her coworkers, especially her storyboarding partner, Muto. Ward later admitted on the commentary track for "What Was Missing" that, while he was editing the animatic for the episode, he started to