you don't create a nickname they give you that nickname
simple. apply on the nick.com site and create your own password and name.
Nick Cannon was born in 1980.Nickelodeon was launched in 1977, under the name Pinwheel, and changed its name to Nickelodeon in 1979.By virtue of the fact Nickelodeon existed 3 years before Nick Cannon entered this world, I believe that alone answers your question.
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