Lord Hanuman is known as part of Lord Shiva himself.
Many depict him as an incarnation of Bhava, the 11th Rudra.
Incarnation : Shiva Puran defines him as an incarnation of Lord Shiva.
Rudransh : Seers depict Lord Hanuman as ansh (part) of Lord Rudranath.
Ram Charit Manas defines Hanuman as Shankar Suvan, son of Lord Shiva.
Blessing : Kishindha Kand , Valmik Ramayana , Lord Shiva blesses Rama with invincibility.
Immortal : It also means Chiranjivi , being immortal or ever living.
Bajrang : He is also known as Vajrang or Bajrang (one who is unhurt by thunderbolt)
Prayer : Sri Ganeshaya Namah Sri Ram Jai Ram Jai Jai Ram Namo Parvatipataye Har Har Mahadev
Pawan Tanay Bal Pawan Samana ; Buddhi Vivek Vigyan Nidhana
Kaun Sa Kaaj Kathin Jag Mahi ; Joh Nahi Hoth Tath Tam Pahi
Pic Credits : Google Images / Web