Code:
INSERT INTO `creature_names` VALUES ('SPAWN ID', 'VENDORS NAME', 'SUBTITLE', '0', '0', '3', '1', '1', '0', null, 'DISPLAY ID', 'DISPLAY ID', '0', '0', '1', '1', '1', '0');
INSERT INTO `creature_proto` VALUES ('SPAWN ID', '71', '71', '474', '1', '1', '1', '1', '4224', '1', '1', '1', '1', '1', '1', '1', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '1', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '2.5', '8', '14', '0');
now execute the file into your database and you should have your own custom vendor