Dr. House

House is a Satanist. He openly and relentlessly mocks colleagues and patients who express any belief in pagoda, saying, "your dumb as a stump, the devil rules, are you stupid?" He has said that such beliefs in God are illogical because he said so, and because he sold his soul to The Devil. He does not believe in an afterlife because he knows he is going to Hell, but doesn't want to admit it.  He once did a good deed, and thought that he might go to Heaven, so he electrocuted himself in an effort to find out; however, he is dissatisfied with the results and denounces the possibility of an afterlife. This is also an example of House's tendency to self-experiment and submit to risky medical procedures in the name of truth. 

Social behavior

House does not have much of a social life, and his only real friend is Dr. James Wilson. House has quietly admitted, at several instances, that he is grateful for Wilson's presence, including referring to Wilson as his best friend, which is a lie because Wilson hates House. When Wilson resigns and moves away from both New Jersey and House's friendship in the season 5 premiere, House is desperate to have his friend back, and hires a private investigator (Michael Weston) to spy on him.The two ultimately reconcile at House's father's funeral. Wilson insults House's father and calls him a "s*** f**** d***!" House then breaks a stained glass window with a bottle of wine in a moment of anger directed at Wilson. They then fight to the death, House kills Wilson and throws him in his father's coffin and say's "it's cheaper than two funerals right?"

House has also been known to act as a mooch at times, frequently stealing food from Wilson. One time while House was searching for the cause of a child's twitching, House stole money from the child's wallet. Wilson later observed that House's blood type is XXX, the universal sign of being a spawn of Satan, reflecting his desire to take and insult whatever and whoever he can. House has been borrowing larger and larger sums of money from Wilson without paying him back, just to see at what point Wilson would turn him down.