Changed my username and in game name to Bill_Sorento now

Is it good if i change my username in the game?

I once made an account here using my in game username ,I lost its password and email,had to register again using a different name,email and password. I tried changing my username to my in game name,but it already exist which is the lost account username. So now I don't know what to do ,since I can't...

APPLICATION PART I: IN-CHARACTER A. Personal Information Name: Bill Surname: Sorento Do you own a passport?: Yes Do you own a driving license?: Yes Which divisional branch are you applying for?: FD [hr] B. Motivations and Personality What are you motivations for joining the San Andreas Fire Departm...