WotLK lost old account

hi i am returning back from college and would like to continue playing warmane, i curently forget my account name and email i remember the account name was ninja159, i donated over 250 on my account and woul not like to lose it, if u could tell me my email i used for the account that would be lovley thanks,
the account name was either ninja519 or ninja159

as u can see i am using this account ninja1544 been active for 1000 days , but i dont think this is the right one as my characters are no longer there?
my character names were Michaudd Michaud