Kumbhakarna and Ravana

The reborn gatekeepers of Vishnu, Jaya and Vijaya.

Kumbhakarna is Vijaya, his brother Ravana is Jaya.

In the Ramcharitmanas they are the reborn Arimardan and his brother King Pratapbhanu.

Read about Kumbhakarna here
http://utkarshspeak.blogspot.com/2011/01/ravans-family-kumbhakarna.html