I'd be not into anything that makes a lot of noise - Dogs AND everyone else hears it,especially at Dark Thirty...including you.
IN MOST cases it is illegal to mess with peoples pets - shoot or harm them without a LOT of hassles coming your way.
I'd go with sonic stuff on a motion detector.
I knew a guy who had MAJOR Coon problems and egg sucking dogs raiding his coop.
There was a sonic thingie he screwed into his motion activated floods that let the light go on but also made the sonic thing go off.
It was a thing that screwed into a light socket and then the bulb screwed into that.
The right sonic thingies drive critters crazy.
An added + was when a rat.coon,cat or whatever set off the lights and sonic thing at dark thirty.
The dogs next door,inside heard the sonic noise and barked like heck.
Revenge is best served at dark thirty...
Seems like if you had to pee at dark thirty,it might be fun to set off the motion detectors...
If you are like me and work where I live,graveyard shift.
I really could have fun setting of the sonics every 1/2 hour or so.
Just for fun.
I always liked a barking dog at night.
Kinda like a Coyote howling in your bedroom all night long...in an a$$holes house.
Might get a new person living next door after a few months,or they would have gotten rid of their barking dogs.
As long as nobody knows who or what is messing with the dogs at dark thirty,your just an innocent bystander with a $hit eating grin on your face...
PS.
Most sonic stuff has a range problem.
Point them in the direction of the offenders bedroom , living areas etc.
From what I heard,IF you have a good Sound system,it might be able to amplify the wavelengths to cover more area.
I really don't know for sure.
Probably(according to what I've been told) depends on the speakers specks.