Princess Bubblegum and Marceline must have been missed because I have a whole lot of art based on them together. Fan art time!
Here's the Ice Queen in the well known The Birth of Venus , it looks Fionna is very disturbed by this.
I have to show off this live action version of Adventure Time first. It's just weird, but awesome.
Also, Pen (creator of AT) took the time to be part of the Juegos Rancheros event, which is The Austin Independent Video Game Show.
Natasha Allegri did the beginning pictures below.