Related Clues:
- Child soldier making a noise
- Hedgehog travelling ultra fast
- Family member in charge of sound
- Describing a boom in the travel industry once
- Producing sound
- First from ship one notices in centre of sound
- Videogame hedgehog
- Title character in a Sega game
- Other side of coins relate to sound waves
- ''America's Drive-In''
- Sega mascot
- ___ the Hedgehog (Sega mascot)
- "Barrier" or "boom" preceder
- Animated hedgehog
- Boom in "The Right Stuff"