The Great Mushroom War
This archaeologist survived the immediate aftermath by using a magical, sanity-draining crown to protect a young Marceline., eventually becoming "The Ice King".
Who is Simon Petrikov? (The Ice King?)
Lady Rainicorn
Who is Lord Monochromicorn?
This old witch took Jake's stretching abilities away after he stole donuts from her garden. Razzamafoo!
Who is Floradulcina the Witch?
This gooey gal once had a crush on Finn, until Jake told her that he constantly wets the bed. Oh, well. He didn't return the affections anyway.
Who is Slime Princess?
This vibrant city is constructed entirely of sweets and is ruled by Princess Bubblegum.
What is the Candy Kingdom?
This became the name of the new, magical land mass that formed over the ruined remains of Earth after the The Great Mushroom War.
The Land of Ooo
Marceline the Vampire Queen
Marshall Lee (Marshall Lee the Vampire King)
Known for his catchphrase "Behold!", this eccentric, blue-skinned master of ceremonies runs the annual Wizard Battle to see who wins a kiss from a princess.
Who is the Grand Master Wizard?
This "pyrophoric" princess dated Finn for about a year before they broke up due to a fight Finn arranged between her and the Ice King. Dreams shouldn't always come true.
Who is Flame Princess? (Or Phoebe)
This dark, chaotic, and demonic dimension is ruled by Hunson Abadeer and is the birthplace of Marceline.
What is the Nightosphere?
In the episode "Simon & Marcy," Simon hunts through the toxic, ruined city ruins specifically looking for this cold dairy treat to comfort a sick Marceline.
What is chicken soup?
Finn the Human
Fionna the Human
This leaf-wearing, elderly wizard lives in a tree and uses life-giving magic to animate objects, famously bringing Finn’s favorite mug to life.
Who is the Forest Wizard?
She rules over a population of tiny, simple-minded canine-shaped meat people and resembles a dachshund herself.
Who is? Hot Dog Princess
This purple, cloud-filled alternate dimension is home to a society of highly dramatic, floating blobs who care deeply about gossip and prom.
What is Lumpy Space?
This massive, planet-altering chunk of the Earth was completely blasted away by the nuclear detonations of the Mushroom War, leaving a literal hole in the globe visible from space.
What is The Great Crater?
Princess Bubble Gum
Prince Gumball
This ancient, three-eyed, cosmic, wise bird of prey frequently appears in the prophetic, magic-induced dreams of Ooo's citizens to signal major future events.
Who is the Cosmic Owl?
This cynical green reptile is the head librarian of Ooo and a frequent gossip partner to Lumpy Space Princess.
Who is Turtle Princess?
Finn and Jake must climb this mountain in Season 1 to find the Enchiridion, facing trials like the Key-per and a illusionary boulder.
What is Mount Cragdor?
This specific type of modern weapon dropped during the war didn't just cause physical destruction, but released the viral, mutagenic waste that created the Lich.
What is a mutagenic bomb? (The Mushroom Bomb)
Jake the Dog
Cake the Cat
This skeletal, shadow-controlling sorcerer is the ruler of the Nightosphere and the demon father of Marceline the Vampire Queen.
Who is Hunson Abadeer?
This sassy, purple cloud princess chose to live as a runaway in a forest tent rather than stay in her home dimension.
Who is Lumpy Space Princes? (Or LSP)
This cosmic prison holds the multiverse's most dangerous criminals in crystal cells and is where Finn briefly finds his biological father, Martin.
What is The Citadel?