The phrase "Gutless gob****e waste of breathing air and food" springs to mind when referencing Mr Tombstone. If one can't put up, one should shut up.
Maybe his sign in handle should be changed to gutless welching b4st4rd who is too afraid of his boss to carry out his promise.
I wait with baited breath for his reply and will issue a profuse and humble retraction when the deed is posted for posteriority