Hidden weapons that mean something
Alien Blaster the strongest laser. Can take down most humans in one shot to the head.
Shishkebab a sword that is on fire
Blackhawk, Lincoln's Repeater, Reservist's Rifle....I have a lot more.
The Miss Launcher, Rock-It Launcher, Burnmaster, Terrible Shotgun, Railway Rifle, Mesmetron, Nuka Granade
I also know many more exists