Video professor spammer / troll
The strategies are to list their names in php forums. when the spiders crawl the sites they will also crawl their names and or web sites even though they might have been banned from google an other search engines. Thats why the * marks to break up the crawlers. Another strategy would be to list them all in a seperate robot txt file and let their crawlers crawl each other effectively spamming themselves.
They have also taken to paying humans to register when the bots are stopped.