(13) "Personal representative" means an executor, administrator, successor personal representative, or special administrator of a decedent's estate or a person legally authorized to perform substantially the same functions.

(20) "Personal representative" means the duly qualified and acting personal representative of the estate of a decedent or, if there is no duly qualified and acting representative, the person in possession of any property of the decedent.

(12) "Personal representative" means any administrator, administrator with the will annexed, county administrator, or executor.