Hinduism is supposed to be 'apauruseya', i.e., of impersonal origin & so also are the Gods of Hinduism. They are eternal & though the deities appear to be different & independent, they are really facets of the same Brahman, the Supreme God.

GCSE Religious Studies (Philosophy & Ethics)

Hinduism is supposed to be 'apauruseya', i.e., of impersonal origin & so also are the Gods of Hinduism. They are eternal & though the deities appear to be different & independent, they are really facets of the same Brahman, the Supreme God.
As Sri Ramakrishna says, there can be as many spiritual paths as there are spiritual aspirants & similarly there can really be as many Gods as there are devotees to suit the moods, feelings, emotions & social background of the devotees.
The Hindu scriptures were eloquent while describing the qualities of God. He is all-knowing & all powerful. He is the very personification of justice, love & beauty. He is ever ready to shower His grace, mercy & blessings on His creation.
From the Rig Veda, we come to know of the vedic gods eight Vasus, eleven Rudras, twelve Adityas, Indra & Prajapathi, being the Gods of earth, the heavens & the space.

Brahma is the Lord of creation & is assisted in this process by his consort Saraswathi, who is the possessor of ultimate knowledge. Brahma was born from the navel of Lord Vishnu at the end of one cycle to begin a fresh creation. He has four heads (originally five), representing the four vedas which are said to have sprung from his heads. His four heads are also said to represent the four yugas. He is bearded & his eyes are closed in meditation. He sits on a lotus & his vahana is the swan. In his four arms he holds the vedas, the kamandalam (water pot), suruva (sacrificial spoon) & a mala. He is a serene soul and is the provider of all sources of knowledge & wisdom.
There are no temples for Brahma (except the ones in Rajasthan & Orissa) as for Siva & Vishnu, for there has been no separate cult for Brahma as the Saiva or Vaishnava cult. According to mythology, he is supposed to have been cursed by Shiva (for his having uttered a lie & for his ego) that he would go without worship. Yet in all Siva & Vishnu temples, there is an image of Lord Brahma on the northern wall & he is one of the important Parivara devata (attendant deity).

Siva, the last of the Trinities is the God of destruction & he is assisted in this by his consort Parvathi, the Goddess of disintegration. Parvathi represents prakriti, which means perishable matter, in the absence of which true and complete destruction by Siva becomes impossible.
( As we are all aware of today, only bio-degradable matter can be destroyed ). This could possibly be the meaning of the idea that Siva becomes nothing in the absence of Sakthi.

Goddess Saraswathi is the consort of Lord Brahma (Lord of Creation) and is ...