e-personation
A name for someone who hides behind a screen on the internet like a forum or social media. They're like a ghost who only talks nonsense.
@GhostUser: I'm not a troll. I'm just here to make your day worse.
That guy in the chat is a e-person. He said he's 12 but he's clearly 30.
She's been on the forum for years but still doesn't know who she is.