جَاءَنِي طَلْحَةُ وَطَلْحَةٌ آخَرُ
جَاءَ: past verb; نِ: protective nūn; ي: attached object pronoun.
First طَلْحَةُ: nominative subject with ḍammah, treated as a diptote name; no tanwīn. وَ: conjunction. Second طَلْحَةٌ: nominative coordinated noun with tanwīn in the indefinite use. آخَرُ: nominative adjective of the second name.