Lightboy is a supporting character in Fireboy and Watergirl. He is Rockboy's best friend.
Episode Appearances
Total appearances: 49
Season 1
- "Fireboy & Watergirl Goes to School"
- "A Long Painting" (cameo)
- "The Class Excursion"
- "Colorblind Fireboy"
- "Watergirl Gets a Laptop" (cameo)
- "Story-Teller Book" (cameo)
- "Becoming the Mate of the Bully"
- "I'm a Wizard"
- "Problems with Learning" (cameo)
- "Meeting at the Park" (cameo)
- "Nahh" (cameo)
- "Endless Question Film" (cameo)
- "First Real Date"
- "Memes"
Season 2
- "Rockboy as Grumpy Cat"
- "Physical Education" (cameo)
- "Reaching the Limit of the Stupidity"
- "Breaking Up"
- "Be Honest"
- "Unexpert"
- "The Marathon"
- "Fireboy's Origins 1" (cameo)
- "Watergirl's Origins 1"
- "Escape Now, I Think..."
- "50th Episode! Yippy!"
- "Darkness" (cameo)
- "Oh No" (cameo)
- "Flashback Time" (flashback)
- "One Year Ago" (flashback)
- "Photogenics"
Season 3
- "Fake Sickness" (name only)
- "Watergirl's Mask" (cameo)
- "Lies' Film" (cameo)
- "Will He Ever Be Nice?" (cameo)
- "Bones or Skeleton?" (cameo)
- "The Crawler"
- "Earphone Mission"
- "Watergirl Beauty 1: Nail Polish"
- "Watergirl Beauty 2: The Makeup" (cameo)
- "Anusument Park" (cameo)
- "Pranks"
- "ZungBoy's Ideas" (cameo)
Season 4
- "100th Episode! Yippy!"
- "The Biggest Group Ever"
- "Focusing at Mistakes"
- "Using Slangs" (cameo)
- "Cool Drawings"
- "Talent Show" (cameo)
- "Hypnotizer"
Notes & trivia
- He is the first shown character to be unparented, as shown both of his parents died of a car accident, but either parent's sibling's child (step-brother to Lightboy) is Light Jazmey, and the grown-up looking for them is his maternal grandfather (Lightold).