ET has obtained a statement from the rep of Levi Johnston to Twitter claiming that the father to Sarah Palin's grandchild was being impersonated on the social networking site.

The tweets posted to the account were read as spoken word poetry by William Shatner last night, November 5, on the "Tonight Show with Conan O'Brien" and it was implied that it was, in fact, the official tweets made by Johnston himself.

Johnston's rep released the following statement: "My client, Levi Johnston, is being impersonated on your media (Twitter) and this is leading to libel and slanderous statements being attributed to him. ... We want you to put an immediate end to this illegal activity. ... You are being used as a medium to promote this illegality and we want immediate action. ... You are now on notice and must take steps to put an end to what is clearly against the law and against your policy. ... We want to know what steps you will be taking to correct what is clearly a problem which is escalating."

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