|“||You ask, "why Dan"? Well, most people have a network of friends and family who know and love them making it near impossible to steal their identities, but Dan here, is off-putting and angry.||„|
|~ Imposter Dan explaining why he called himself "Dan".|
|“||Oh, I can't do that, now can I? Not after I spent six months in jail because the police thought I was you!||„|
|~ Impostor Dan telling Dan why he will not stop calling him|
He was voiced by John C. McGinley.
He stole Dan's identity and quickly won over Chris when he baked him a strawberry rhubarb pie. Besides his identity theft, he seems to be a kind man, and even cleans Dan's apartment for him. Mr. Mumbles seems to like him, though this may be due to him looking like Dan. His true name is unknown. He seems to be a good cook, which may be because he was a cook the last time he stole an identity. He is eventually arrested by the police when the real Dan purposely missed his court date.
He is said to call the titular character every five minutes and is not revealed until Dan, accompanied by Chris and Elise, arrive at his work site (one Chris had partaken in work as well before its own outsourcing.) Here the impostor seems slightly more sociopathic than his previous appearance in the show. This may be due to spending the last six months in prison. Later, Elise happens upon his 'home address', later revealed to be apartment residing over his own, in which he keeps a single phone, a trap door, and the means to release high amounts of sleeping gas. It is shown once again his ability to infiltrate Dan's home. This was also alluded to earlier in the episode when the impostor hid several cell phones in both Dan's apartment and car. Here we see the Impostor now disguised in a cat suit vaguely similar to Mr. Mumbles. This appears to be another display of abnormality in his mental state, but was most likely just another method of having Dan sound even more deranged than ever when he recounted the tale. Also in this episode we see him wearing Chris's clothing and impersonating him for a few moments. At the end of this episode the impostor achieves his goal and seems to have retired to a lakeside cabin in the forest. However, Dan said he is spending six weeks in prison, unlike him when he spent longer (six months). He may not be happy about that. It means his goal is not yet achieved, or at least not completely.
The Imposter is shown to be selfish, pompous, arrogant, loathsome, persistent, overbearing, contemptuous, disrespectful, persuasive, obnoxious, impolite, and although he is pretty friendly to most people, he seems to show a little bit of remorse for his actions. Besides the identity theft, he seems to be a kind man who cleaned Dan's apartment. Mr. Mumbles seems to like him, though this may be due to him resembling Dan.
He is a slender man who resembles Dan with blue eyes, black hair, thick black eyebrows, and a black soul patch
In the episode he debuted on, he was wearing the same thing Dan always wears: a black T-shirt with the white-colored word "JERK" on the front, dark blue jeans, and black shoes.
After leaving the jail he went to at the end of the debut episode, he wore the exact same clothes Dan wore minus the "JERK" shirt. Instead of wearing Dan's "JERK" shirt, the Imposter wore a light blue t-shirt with a pocket and a dark brown necktie with brown stripes.
- The Imposter spends six months in jail just for the real Dan missing a court date, while Dan spends only six weeks in prison for acting crazy.
- The Imposter, aside from Dan, is arguably the most popular antagonist of the series.