Well it seemed to delete all but 8 comments, but when I did a search today for the spam terms to see if I had any others 52 comments showed up from the guy. (They are not new they're from Feb 2012)
Can I use "DELETE FROM pp_comments WHERE userid=XX" as an SQL Query to manually removed them quickly? I wasn't sure if comments were in the Database in multiple locations or I would have tried looking in the database to begin with.
Here's a screen shot from this AMs search: