This page is for characters in Advenure Time Fanfiction. It's a very long and winding list of characters hailing from fanfiction to canon and even to the most obscure are present here.
Pages in category "Characters"
“ Rose Abadeer (also known as Marceline's Mother) is the biological mother of Marsha and...
“ Crossover Characters are characters from other worlds, such as Mobius or Equestria, where they...