These two are socially useless, rock-loving teenage boys. They live in the town of Highland, Texas. They attend high school where their teachers are often at a loss as to how to deal with them although in many episodes the two skip school. They occasionally work part-time at Burger World and sometimes other side-jobs when people mistake their odd behavior as outgoing and assertive.
One thing is their lack of conventional values. They are highly obnoxious, degrading and rude to almost every other character in the show, including each other. However, they do not realize this and seem to function on an instinct level.
They survive their often hazardous misadventures without serious consequences though others around them do not fare as well. In each episode are segments in which Beavis and Butt-Head watch music videos and provide humorous and bizarre commentary.