CC Ādi 3.35

tāṅra yugāvatāra jāni’ garga mahāśaya
kṛṣṇera nāma-karaṇe kariyāche nirṇaya
Synonyms: 
tāṅra — of Him; yuga-avatāra — incarnation for the age; jāni’ — knowing; garga — Garga Muni; mahāśaya — the great personality; kṛṣṇera — of Lord Kṛṣṇa; nāma-karaṇe — in the name-giving ceremony; kariyāche — made; nirṇaya — ascertainment.
Translation: 
Knowing Him [Lord Caitanya] to be the incarnation for Kali-yuga, Garga Muni, during the naming ceremony of Kṛṣṇa, predicted His appearance.