What do you mean? What follower? You mean the person you are sending the DM to?Also, can I input something so that the username of the follower appears in the DM?
If so, the control should list the available tokens you can use:
#randnum#
#my_twitter#
#my_name#
#my_username#
#mention#
#reply_name#
#reply_username#
#reply_first_name#
#acc_tags#
#reply_url#
((bitly)url-here)
((bitly-rand)url-here)
((googl)url-here)
((googl-rand)url-here)
#trend_hash#
#datetime-short#
#datetime-long#
#time#
#date-long#
#date-short#