Sri Ranganatha — Vishnu in Ananta-Shesha-shayana (reclining on the cosmic serpent Adishesha); the sanctum idol is 6 metres (~20 ft) long; Adishesha is shown with five hoods coiled in three-and-a-half rounds beneath the Lord's head; south-facing (per the Vibhishana narrative, facing Lanka); the golden vimana is Pranavakara (in the form of the Tamil 'Om') — the Ranga Vimana
Ananta-Shesha reclining Vishnu — Swayam Vyakta (self-manifested); the foremost Vaishnava tirtha in the world; consort Ranganayaki Thayar (Lakshmi) — her own separate shrine with the title 'Padi Thandadha Pathni' (the wife who never crosses her threshold)
सम्प्रदाय: Sri Vaishnava sampradaya (Tenkalai sub-sect); the principal seat of Sri Ramanujacharya (1017-1137 CE); his preserved body is enshrined in the 'Tiruvarasu' shrine in the southwest corner of the 5th prakara; the hereditary priests are descendants of Ramanuja's 74 appointed Tenkalai Iyengar disciples