Who is anirudh in Indian mythology?

Anirudh-Meaning Nothing can beat him! Well.. People knowing Lord Krishna must know who Anirudh is.. Anirudh is Lord Krishna's grandson!! thus since Anirudh is related to Lord Krishna, Lord Krishna is related to one of THE GREATEST EPIC"MAHABHARATA",and Mahabharata is related to the INDIAN MYTHOLOGY, Anirudh is thus related to Indian Mythology!