Yes maybe there are but, that guy was just an oddball troll whose other contribution was a post about Louis Farrakhan being unable to attend the Virginia Country Music awards due to illness..... well, that one was funny at least.
Are they really that sad though? If they genuinely don't know they're not real then they're just thick. It's the people who know they are fictional but like to pretend they are real that are probably the real sad cases!