Is An Idiot Name Unknown Age Unknown Gender Unknown Actor None Film Appearance? No Online Appearance? No Book Appearance? Yes
Is An Idiot is the screen name of an unidentified person who played the arcade game Thunder Volt and scored 25310 points. The name is shown on the game's leaderboard in Dog Days. It is possibly a troll/joke.
When Greg Heffley shows Rowley Jefferson his high score, he notices the person in second place, which makes both their names read "Greg Heffley is an idiot". Greg believes that this person named themself that because they were jealous that they couldn't beat Greg's score.