SUMMARY In the present study two monsters in goat were investigated. The first monster A (Diplo-thoracopagus) were females with a sternal junction which began at the root of the neck till the perineal region. The congenital defects were localized in the digestive, cardiovascular, urogenital and muscloskeletal systems. The aborted monster B was a newly born kid delivered premature with complex congenital malformations at his entire body with special reference to his head. The history, clinical, radiological and necropsy findings of the two cases were described