Gennai

Gennai is a mysterous being which the Digidestined encounter after the battle with Devimon. Gennai comes to the first digidestined as an old man but in the second series he is shown as and comes to the new digidestined as a very young person guarding the the digieggs from Piedmon and the other Dark Masters; Gennai claims to have been there at the start of the digiworld.