The Adventures of Milo and Leon is the action-adventure show and animated show from Scribblenauts that is made by Jcpag2010.
- Milo: A main character; Maxwell's adventurer brother.
- Leon: A main character; Maxwell's gothic brother.
- Maxwell: A main character.
- Grandpa Edgar: Maxwell's father was amazing adventure to the desert and the ocean.
- Grandma Julie: Maxwell's mother and Edgar's wife was exploring the rainforest and the cave.
- Lily: Maxwell's sister.
- Clark: Maxwell's superhero and sidekick brother that has powers to save the world.
- Dale: Maxwell's racing brother that races around the world.
- Scratch: Maxwell's cool brother that can play music.
- Doppelganger: Maxwell's rival.
- Cthulhu: A large, winged creature from H.P. Lovecraft's story The Call of Cthulhu.
- Shoggoth: A large blue blob monster that has several green eyes.
- Shambler: A hostile creature from H.P. Lovecraft; known as a Star Vampire.
- Dracon the Dragon: A large reptilian creature that breathes fire.
- Guy: Maxwell's jock brother.
- Tanc: Maxwell's brother who is in military.
- Mr. Porcupine: Piny's father.
- Mrs. Porcupine: Piny's mother.
- Mr. Beaver: Bevlo's father.
- Mrs. Beaver: Bevlo's mother.
- Dracon's Brother: A brother dragon.
- Dracon's Sister: A sister dragon.
- Piny's Brother: A brother porcupine.
- Piny's Sister: A sister porcupine.
- Bevlo's Brother: A brother porcupine.
- Bevlo's Sister: A sister beaver.
- The Adventure Begins - Milo and Leon are the adventurers to begin the journey.
- Taking Over - Milo and Leon takes over in Palindromeda.
- Maxwell's Evil Twin - Doppelganger writes harmless creatures to attack Milo and Leon.
- Never Saw It Coming - Milo and Leon saves Syntax Station from Doppelganger.
- Alien Probe Calling - The aliens are coming to Palindromeda.
- Super Itelliegent Simian - Milo and Leon needs a smarter Maxwell.
- Get Busy Living - Milo and Leon needs an astronaut to escape from Palindromeda.
- Danger: Black Hole - Milo and Leon needs to talk to the researchers about the black hole.
- Unsunken City - Milo and Leon stuck in the Lost Kingdom of Parenthesis.
- Dungeon Break - Milo and Leon trapped in Sir Guillement's Castle.
- Space Station Infilration - Milo and Leon shuts down the supercomputer.
- Board to the Future - Milo and Leon helps Maxwell from the future.
- That's My Boy - Milo and Leon needs a hero from Palindromeda.