Greifer: mateus_2022
Proof: https://youtu.be/9A4LJu40RsE
Triggering TnT cannons when they shouldn't be or the owner doesn't want the cannon to fire. Usually ending up in a blown up tnt cannon.
Also breaking random things such as clocks (didn't capture that part). And over all, just getting in the way.

Thanks for reporting them but they were banned shortly after that recording.