We don't have a biography for Billy yet. Hang in there, or go ahead and contribute one.
Appearances
The Thundermans: Undercover
Guest cast, played by Diego Velazquez
- Episode 1x01: Thundercover (Jan 11, 2025)
- Episode 1x07: Not So Fast and Furious (Mar 5, 2025)
- Episode 1x10: All About Steve (Mar 26, 2025)
- Episode 1x22: She's All Splat (Sep 24, 2025)
- Episode 1x23: Party All the Crime (Oct 1, 2025)
- Episode 1x24: The Mastermind Unmasked Part 1 (Oct 8, 2025)
- Episode 1x25: The Mastermind Unmasked Part 2 (Oct 15, 2025)
- Episode 1x26: The Most Thunderful Time of the Year (Dec 17, 2025)