Lord Krishna is recognized as an 8th incarnation of Lord Vishnu in the dashavatars. Krishna Jayanthi (i.e., birthday) is celebrated every year on the eighth day (Ashtami) of the Krishna Paksha (dark fortnight) of the month of Shraavana in the Hindu calendar.
Lord Krishna has several other alternate names in Hindiusm such as Govinda, Mukunda, Madhusudhana, Kanna, Vasudeva and much more.
Lord Krishna is often depicted as an infant eating butter (a god-child); or a young boy playing a flute (a prankster); or as a young man along with Radha (a model lover); or as a young man surrounded by women (a divine hero); or as an elderly gentleman giving direction and guidance to Arjuna (in the epic Mahabharatha) as in the Bhagavad Gita (the Supreme Power).
The stories of Lord Krishna (Krishna Leela) appear in many Hindu philosophical and theological texts such as Srimad Bhagavatam, the Mahabharata, the Harivamsa, the Bhagavata Purana, and the Vishnu Purana.
Some religious pundits have tried to calculate the exact dates for the birth of Lord Krishna. They believe that Lord Krishna must have lived between 3200 and 3100 BC with the name of “Vasudeva Govinda Krishna Shauri” flourished as the ruler of Shuraseni and Vrishni tribes which is now-submerged island of Dwaraka (near Gujarat, West India).
Also check out the Radha Krishna Images here.
Here are the best God Krishna Images and Paintings:
Lord Krishna Images As An Infant Child (A God-Child)
Lord Krishna As A Flute Playing Young Boy (A Prankster)
Lord Krishna With Radha (A Model Lover)
God Krishna Surrounded By Women (A Divine Hero)
Lord Krishna As An Elderly Gentleman (The Supreme Power)
-  – The Editors of Encyclopædia Britannica. “Krishna.” Encyclopædia Britannica. 2015. Accessed December 31, 2016. Link.
-  – Tnn. “Lord Krishna lived for 125 years – Times of India.” The Times of India. 2004. Accessed December 31, 2016. Link.
-  – Mahony, William K. “Perspectives on Kṛṣṇa’s Various Personalities.” History of Religions 26, no. 3 (1987): 333-35. Link.
-  – “ISKCON Communications Journal – Reflections on the Relation Between Religion and Modern Rationalism – Richard Thompson, Ph.D.” ISKCON Communications Journal – Reflections on the Relation Between Religion and Modern Rationalism – Richard Thompson, Ph.D. Accessed December 31, 2016. Link.