Thirumaṟu mārva – the one who has Thiru (Śrī Mahālakṣmī) and maṟu (mole, called as Śrīvatsa) on His chest! These two signify that He is the Sarveśvaran (Lord of all). In Śrī Rāmāyaṇam Yuddha Kāṇḍam 114.15, “Śrīvatsavakṣā nityaśrīḥ ajayyaḥ śāśvato dhruvaḥ” (Śrī Rāma, who has the mole called Śrīvatsa on His divine right chest, inseparable Periya Pirāṭṭi forever