Dear John . , Ive lost my account

Ive lost my account because Ive died in game and deleted my character after that ive been set'd a new name by reznee starting from Harold(First name)_(?)(second) but ive forgoten the second name because ive been my game and i still dont writed my new name in my paper or something , and im very worried that im gonna lost my account , have a way to get my account back , John. please help me please ..  

(but ive forgoten the second name because ive been crashed by my game) - Correct Sentense

It is Harold_Lardy