Ohio Rev. Code § 2941.56: Fail to indict in true name.

If the accused pleads in abatement that he is not indicted by his true name, he must plead his true name which shall be entered on the minutes of the court. After such entry, the trial and proceedings on the indictment shall be had against him by that name, referring also to the name by which he is indicted, as if he had been indicted by his true name.