Except for LiveJournal. I ran the following just because I'm bored and have nothing better to do.
Top Commenters on axver's LiveJournal
(Self comments excluded from rankings)
Total Commenters: 183 (83 not shown)
Total Comments: 57743
Report generated 5/1/2005 9:29:28 PM by scrapdog's LJ Comment Stats Wizard 1.2