The son of the Wind God, in the western culture people even call him the Monkey God, as he is having the face of a monkey with the body of a human with a tail at the back. As per the belief he is having supernatural powers-he can increase or decrease the size of his body or even can fly himself with his powers.
Hanuman, worshipped for his strength, valor, agility, is a man of great learning. He is considered to be an avatar (incarnation) of Lord Shiva. Hanuman, a great devotee of Sri Rama, is the symbol of devotion and dedication. Hanuman was a bachelor and is worshipped in all the temples of India. He holds Gadha ( a mace/ club) in his hands- that indicates punishment for indiscipline .
Hanuman is worshiped also to get rid or win over demons, evil spirits and other powerful negative energies On Tuesdays many people keep fast in honor of Hanuman and give special offerings to him. In times of trouble, it is a common faith among Hindus to chant the name of Hanuman or sing his hymn "Hanuman Chalisa". Every year — on the full-moon day of the Hindu month of Chaitra (April) at sunrise — Hanuman Jayanti is celebrated to commemorate the birth of Hanuman. Hanuman temples are among the most common public shrines found in India.
Lord Hanuman is also known by many names of Anjaneya, Anjani Putra, Bajarangabali, Hanuman, Mahaveer, Maruti, Pavanputra etc.
He was an ardent devotee of Lord Rama ( one of the 10 incarnations of Lord Vishnu) according to the Indian epic Ramayana. He is a central character in the Indian epic Ramayana. Hanuman teamed up with Rama in his battle against the demon king Ravana. In the same war when Lord Rama’s brother Laxaman was wounded, Hanuman fly himself to the Himalayas to bring some herbal plants that would cure him. Unable to recognize the herbal plant with hs supernatural powers he increase the size of his body higher than the Himalayas and broke one piece of Himalayas and carried it back to the battlefield in Lanka( Now sri lanka), so that the antidote medicine could be found and used to cure Laxmana.