Why do you assume the fisherman you are talking about are ice fish ohio members?
and....if the roads are designated as public roads then folks are free to park wherever they like so long as they are in compliance with the Ohio State Law
454511.69 Parking requirements:http://codes.ohio.gov/orc/4511.69If you feel that anyone parking in your neighborhood is in contravention of the law, described above or, any local ordinances then we recommended that you call the Sheriff’s department and let them deal with the specific situation.
Per my fellow members comment you are assuming that folks parking in your neighborhood are members of this website, which may not be the case. You are also assuming that folks are parked illegally which is something we cannot confirm or, deny as we are not local law enforcement.
I highly recommend that you take this matter up with your local law enforcement...