Answer:
Here are some options:
1. HydroBlasters
2. LiquidFire Tech Toys
3. SplashTech Emporium
4. HydroFusion Warehouse
Step-by-step explanation:
These are just some ideas, but using any words involving "water" and "gun" and throwing the word "tech" in there will give you some more cool options as well.
Hope this helps!