What Website Can I Costumize Bmx Whats A Site Where U Can Create A Online Community & People Can Create & Costomize Their Character?

Whats a site where u can create a online community & people can create & costomize their character? - what website can i costumize bmx

What is a website where u meet an online community where people and tense custom and create your own character can create? (U can create a free ?!?!?!)
Please help me! if u dont get what im saying, I refer to a polity as barbiegirls.com neopets.com or something like that.