Dan is a short-tempered man with a mission to exact revenge on anyone and anything he deems has wronged him. While expressing a very shallow and abrasive demeanor, in reality, he is simply too overwhelmed with stress, becoming overly-sensitive to everyday pet peeves. Whether due his poor living standards expounded by no job or by a horrible and terrifying childhood, he has been noted as decidedly unable to overcome this compounded stress. In stark contrast to how a normal, comfortably living person might deal with things, he instead takes matters to into his own hands, once he decides he can't restrain his anger any more, and sets out to undergo whatever methods necessary to stop the cause of this tripled agitation (upon him or, occasionally, the whole of the society) through his "revenge missions". Dan takes things he considers low standard (such as Ninja Dave, anything on Dan's list, normal misbehaved children, Chris, etc.) impersonally, while taking higher instigation's (such as balloon cultists, demon bosses, abusive summer camp directors, extorting-thuggish children, wolf-men, etc.) very personally. He believes the entire world is out to get him, which is true most of the time. He will stop at nothing to make sure he settles the score even if his win is pointless, even if it costs him more than he gets out of it. He can appear to be selfish and seem that he doesn't care what happens to others, though he's also known to hide his true feelings and is reluctant to admit them. (Burgerphile, the Animal Shelter, Parents, The Family Thanksgiving, and The Family Cruise.). He also has poor communication skills towards other people in soft moments, so he sometimes has trouble with admitting his true feelings and comfort (The Catburglar, The Animal Shelter) yet is able to properly show his love to animals and pets, such as his cat Mr. Mumbles.Dan is a very short-tempered man, who can and will become enraged with nearly anything that... well, anything really. He has very bad luck with anything mechanical and can accidentally cause major damage. He's very comical and childish, often referred to as a "big kid" by Chris. Always in a jobless state and poor living causes Dan to become rightfully raged at the things that cause his added pain. In many of his "missions" he is surprisingly often right in his outlandish assumptions. He can also be very sensitive, in both the negative and positive sense of the word. He can also be very harsh, in both a negative and positive sense as well, but the latter is only seen rarely (e.g. "Summer Camp" and "Chris").