This page lists the microscopic characters in Once Upon a Time... Life.
White Blood Cells (Allies)
Civilians
- Oxygen Molecule
- Carotene
- Electron
- Enzymes
- DNA & RNA
- Hormones
- Muscle Cell
- Neurotransmitters
- Photon
- Platelets
- Red Blood Cell
- Skin Cell
Organic Molecules
- Cholesterol Cell
- Chromosome Cell
- Dietary Fiber Cell
- Gall / Bile
- Fat Cell
- Protein Cell
- Salt Cell
- Spermatozoon Cell
- Sugar Cell
- Vitamin Cell
- Water Cell
Pathogens (Villains)