What is the actual age of consent in Ohio?

Legal but can create other problems. The stipulation question I don't understand.

Can i sue the state or my fiancee for false domestic violence charges. Can i sue my fiancee for the allegations leading to it?

Not likely since you entered a plea. You could speak with an attorney about a civil stalking order and conversion suit to get your property back.

Under Ohio's sentencing provisions, does rape R.C. 2907.02, carry a mandatory prison sentence?

Yes, This may be helpful. http://www.criminaldefenselawyer.com/resources/criminal-defense/state-felony-laws/ohio-felony-class.htm

What more can I do?

The character letters will not be considered by the court. You need an attorney, stick with the treatment. I just saw this so I don't know what...

Would it be possible for me to get custody of my daughter pretty easy

Yes it's possible. The approach will depend om whether or not you are married to mother as mentioned elsewhere.

Can I switch courts, file complaints, post divorce lawsuits

Not likely at all. By the way, Columbus is hardly a small town in Ohio. Not sure what to tell you. If you are concerned about having an attorney...

Do you think I have a case?

If it is false, then yes. But you have to prove damages and that's not always. Most attorneys do not take these types of cases on a contingent fee...

Appear in court and enter a not guilty plea. The officer may fail to appear or the judge may cut you some slack based on your driving record and...

He will not be released while the holder is in place even with the bond posted.

Will I do any jail time for violating misdemeanor probation for not reporting

That's difficult to answer but, what is important is for you to get an attorney and get the warrant taken of immediately.