Featured Characters:

• Moon Girl (Lunella Lafayette) (First appearance)
• Devil Dinosaur (First appearance)

Supporting Characters:

• Casey Calderon (First appearance)
• Adria Lafayette (First appearance)
• James Lafayette Jr. (First appearance)
• James Lafayette Sr. (First appearance)
• Mimi Lafayette (First appearance)

Antagonists:

• Aftershock (Ms. Dillon) (First appearance)

Other Characters:

• Ahmed (First appearance)
• Avengers (Mentioned)
• Eduardo (First appearance)
• Coach Hrbek (First appearance)
• Captain America (Drawing)
• Anand (First appearance)
• Brooklyn (First appearance) (Unnamed)
• Moon Girl (Scientist) (Photo)

Races and Species:

• Humans
• Devil-Beasts

Locations:

• Earth-TRN995 (First appearance)
  • Earth
    • United States of America
      • New Jersey (Mentioned)
      • New York
        • New York City
          • Lower East Side
            • Roll With It (First appearance)

Items:

• Moon Girl's Suit
• Multispectrum Moon Scanner (First appearance)

Vehicles:

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When brilliant, altruistic Lunella Lafayette accidentally brings a dinosaur to the Lower East Side, she finally has the brawn to match her brains and protect her community.