Theft - simple as that.

Practicing witchcraft.

Going underwater and wrapping seaweed around swimmers' legs to freak them out. Then they'll run up on the beach and put their hoodie on so avoid suspicion- who would go swimming with a hoodie, not of course!

While is notorious for illegal street racing, nobody can ever nail them for it. But you finally got caught for stealing flowers from the mayor's garden! Shame on you!

thought they could get away with piracy on the high seas, and they were right for a time! But the law finally caught up to them...

Being too cute.

Robbing the Subeautique!

your sentient tinkertoys keep picking fights with the neigbors' pets

You just wanted to run a rig on a landlubber, a harmless hornswoggle with some counterfeit letters of marque. Unfortunately the bilge sucking son of a biscuit eater was the port magistrate... Oops.

You turned the Queen of the Waves into a little lionfish, and now she's forced to follow you everywhere you go if she ever hopes to gain her true form back. The council will catch up to you one day though- they'll get their queen back, and you'll get a nice jail cell.

frequent noise complaints

for trying to enslave a whole galaxy

selling stolen goods on the black market

Piracy. Duh!

For practicing necromancy, and/or other illegal dark arts!

That blade is awfully suspicious....How many souls did you punish before getting locked up?

Hmm, the shiny, ethereal beach BG tells me you were probably out past curfew swimming!

pretty sure I heard you've been running some kind of human/zombo fight club- with body parts as collateral, out in the Shadowglen woods.