Lord Shiva, a Hindu deity, the Supreme God, "the Destroyer", or "the Transformer" Shiva has many benevolent and fearsome forms. At the highest level Shiva is limitless, transcendent, unchanging and formless.He is depicted as an omniscient Yogi who lives an ascetic life on Mount Kailash, as well as a householder with wife Parvati and his two children, Ganesha and Kartikeya and in fierce aspects, he is often depicted slaying demons. Shiva is also regarded as the patron god of yoga and arts.
Ganesha - the Remover of Obstacles, the head of the Ganas, the attendants of Lord Shiva and Parvati Devi. He prevented Ravana from becoming all powerful by forcing him to put down a shivaling he was supposed to carry all the way to Lanka. He also made Kumbhakarna (Ravana's brother) misspeak the name of a boon, resulting in him sleeping for 6 months of the year.