When Ravana and his brothers win boons from Brahma, the gods ask that Kumbhakarna be misled. Brahma summons Sarasvati as Speech and has her enter the giant's mouth, so that he asks for long sleep instead of power. When she departs he realises he was bemused by the gods.
The Ramayana of Valmiki, Uttara Kanda chapter 10 (tr. Hari Prasad Shastri), on Wisdom Library § 7.10
Sources: The Ramayana of Valmiki, Uttara Kanda chapter 10 (tr. Hari Prasad Shastri), on Wisdom Library
Brahma's four heads face the four directions and stand for the four Vedas.
Brahma's body splits into a male and a female half.
Brahma boasts that he alone can create.
Saraswati lingers on the way to bathe in the Ganga and arrives late.
Sages send Bhrigu to find out which god is greatest. Brahma swallows his anger, Shiva raises his trident until his consort calms him, and Vishnu apologises after being kicked; the sages choose Vishnu. Temple and popular tellings add Lakshmi's departure, the Tirumala descent and curses on Brahma and Shiva.
Narada provokes the three consorts into sending their husbands to test Anasuya's virtue; she turns them into infants and nurses them; the consorts beg for their husbands and she asks for sons — one three-headed Dattatreya, or three sons.
The Goddess creates the three gods to do the work of creation, preservation and destruction, carries them to her island Manidvipa, turns them into women for a hundred years, and returns them with their consorts to their tasks.
Bound by an oath not to kill Namuchi by day or night, with anything dry or wet, Indra kills him at daybreak with the foam of the waters.