Actually, pg was on the leaderboard for years. But, yes, his name was eventually removed, and while it was on the leaderboard, it was typically the top username by a very wide margin.
Oh, sorry, I was thinking of nickb. :) Thank you for checking the Wayback Machine. I must have been aware of pg's karma totals by looking at his individual profile.
http://web.archive.org/web/20070302084140/http://news.ycombi...
http://web.archive.org/web/20090722153500/http://news.ycombi...