You can if the domain name is available and you buy it.
There is a website that you CANNOT make your own WORLD but there is a website that you can have lots of fun on- its called Moshi Monsters ! Or go on myownmoshi.weebly.com to find out more !
Wordpress
it hard
There is a website called freewebs.
Its called celbrity maker kids make ur own celeb on this website!
go onto youtube and type in (') how to make a virtual world website (') without the comas and brackets. then it may tell you
If you are talking about your own website then you need to download favicon and make a design then publish it to your website. That is called a favicon.
Here are some good ones:Clubpenguinminiclipyoutubegooglecpgirl112boredwordpressWebsthe websites called webs and wordpress are where you can make your own website.
make a lot of episodes then make a website to upload it on, i suggest you make it on webs.com
to make your own website it takes about a 4 months to make your own website
Maybe you could use something called adobe flash which is where u make ur own games and animations
IMVU or Runescape,(: