Maveli......

Mahabali, also known as Bali, Indrasenan or Māveli, is a Daitya king found in Hindu texts. He is the grandson of Prahlada and a descendant of sage Kashyapa.
Onam is an annual harvest festival celebrated in the Indian state of Kerala. A major annual event for Keralites, it is the official festival of the state and includes a spectrum of cultural events. Drawing from Hindu mythology, Onam commemorates King Mahabali.