From Alathra Wiki

Jennixr is a player created from infected by Enderman sickness bodyparts of Dzienys. After he was created ,he was locked up deep under the city Ehir.He was awekened not long after Dzienys_son dissapered by the construction of a new city in Ehir ruins.

He have a foggy version of original Dzienys memories that are so close to him but yet so unknown.