Delete a user from lion

Hello i have just had a new hard drive fitted,
not sure what u have done wrong but when i backed up from my time machine i now have two accounts.

im using lion

i would like to delete one of the accounts any idea how i go about doing it?

thanks jason

 

thank you very much

that is great help thanks but it is asking about the home folder.
what do i need to do with it?

save it, dont change it, delete it?

thanks jason