Medhaṅkara Buddha is the second of the 27th buddhas who preceded the historical Gotama Buddha[1][2].He was also the second Buddha of the Sāramaṇḍa kalpa.[3]
In the Buddhavamsa, he is briefly mentioned as:
Inneumarable aeons ago, Taṇhaṅkara Buddha, Medhaṅkara Buddha, Saraṇaṅkara Buddha and Dīpaṃkara Buddha were born in the Sāramaṇḍa kalpa.[4]