Forum:Are user names even allowed on the characters page?

I only ask this because on the characters page, I see a few usernames under the characters page in the "U" section.

They are the following, in order:

http://phineasandferb.wikia.com/wiki/User:Agent_P_rocks2272

http://phineasandferb.wikia.com/wiki/User:CCs_and_Cream

http://phineasandferb.wikia.com/wiki/User:Jordan_Eddy

http://phineasandferb.wikia.com/wiki/User:Juliah

http://phineasandferb.wikia.com/wiki/User:Milomilk

http://phineasandferb.wikia.com/wiki/User:PeaceLoveAgentP

http://phineasandferb.wikia.com/wiki/User:Zekeman4/Dave_Doofenshmirtz_(2nd_Dimension)

Psychopulse 13:47, October 6, 2011 (UTC)