Can I please get a name change?

[IOnlyLookStock]

Can you please inform me how to/ change my name to "Rickyb0bby" with a zero in "b0bby" not an "o"

Thank you guys in advance! And sorry to be such a pain in the ass!

[RandomGuy]

http://25.media.tumblr.com/f1fb418aecbe05329e6dc6adb8713d33/tumblr_mgac9iR2Qv1r3b5nko1_500.png