Jung-Jun Hwang is a Korean-American Hot Wheels designer who has been working with Mattel since 2019. He currently works as a lead designer for Hot Wheels Track and Playsets; prior to his role at Mattel, he worked for Skyrocket Toys and competing brand Jakks Pacific and was an intern at Philips and Columbia Sportswear.
1/64 Scale[]
| Year | Casting Name | Debut Series | First Edition # | Toy Number | Photo |
|---|---|---|---|---|---|
| 2024 | HW Ultimate T-Rex Transporter | HW Screen Time | 4/10 | HRY50 |  |
| 2025 | SoCal Crusher | Hot Wheels Monster Trucks: Freestyle Wreckers | 6/12 | JCD70 |  |
| 2025 | Superman | Hot Wheels Monster Trucks: Superman | - | JDP67 |  |
| 2026 | Soupreme Slammer | Hot Wheels Monster Trucks: Snack Pack | 2/5 | JHY48 | |
Playsets[]
- Stunt Garage (2020)
- Shark Chomp Transporter (2021)
- Speedway Hauler (2021)
- Stunt & Splash Car Wash (2021)
- Toxic Gorilla Slam (2021)
- Ultimate T-Rex Transporter (2022)