Lulilab
Club Penguin, CartoonDollEmporium, Virtual Family Kingdom. Those are just a few.
imvu
clupenguin.com fantage.com and more :)
some virtual worlds are: Fantage.com, WoozWorld.com, Tootsville.com, and Chimpoo.com
www.iParrot.webs.com
wizard101.com, toontown.com, invu.com, secondlife.com, sims.com, neopets.com hope i helped
There are several websites that have virtual worlds and online games where you can interact with other players. While VMK, or the Virtual Magic Kingdom, was an online game, Clup Penguin is more than just a game because it has social networking for kids. Other websites for kids are Pixie Hollow World and Toontown.
Here are some: Club Penguin Stardoll Binweevils Panfu Wizard 101 and loads more, look in google!
Sims. Virtual Families..
www.teen.com
Onverse is a virtual world and does have profiles. check it out!