What's the deal with these members who have the plain Lion King character names?

Sarafina
2 posts, active on 8th day of forum

Scar
4 posts, active for 2nd and 8th days of forum, as well as 11-2-03

Nala
1 post, active on 10-22-03

Simba
1 post, active on 10-16-2003

I would have thought that if you joined a forum at its beginning, you would at least post more than once or for more than the first 8 days?