lifted from the
ark site
/name help Will show more information on how to use the /name command
/name nick NewNickName Will put in a request for a nickname change
/name first NewFirstName Will put in a request for a new first name
/name last NewLastName Will put in a request for a new last name
/name status Will show the status of your name change request(s)
/name delete # Will delete one of your name change request(s). The request number to use for this command can be found using /name status.
/name policy To see the policy for names