please i am the original owner of pete21 it was stolen from me!

hi i am in need of help and my acc pete21 was stolen and yes i tryed to put a dispute in as jjkkll but then read u must do it as a guest sorry, but any ways, about 4 weeks ago or a bit less i went to get on pete21, the password didnt work?, so i tryed to use my email to get it back, it says invalid email?, now just today i look pete21 up in members list and find that in the sig the email is [email protected], now if u go into some older threads it has my email in pre much all of em, [email protected], i can add u to verify [email protected] is my msn, and also i have people like the bloke i bought the signiture off he can say i am the owner of the acc, please i worked hard on that acc and this asshole [email protected] has stolen it from me, ty