e-personation 

an impersonation or imitation that is performed in an electronic format such as a blog, email or online chat.

that was a great e-personation of a Johnny Carson monologue in your last email.

e-personation by Ryan Burnham January 7, 2009

empersonation 

The act of pretending to be an emo boy whilst trying to pick up girls on Gaia.

Empersonator: "Hey i'm Matt Johnson and I have cool stuffz on Gaia."

Me: "No you arent Chris...will you cut the fucking empersonation out."

empersonation by John Bernuckle March 21, 2008