A web-comic where they often have recurring characters, like a girl with black hair who is sometimes referred to as Megan, Stacey, or Cutie, a guy with a beret, a guy with a black hat, a guy with a white hat, a plain bald guy who is sometimes referred to as Rob or Cueball, a black haired computer hacker which is named HelpImTrappedInALicencePlateFactory, and her brother which is named Robert'); DROP TABLE Students;-- or little Bobby Tables or just Bobby. If you roll your mouse over, you can see another message. TRIVIA: If the alphabet is assigned numbers such as a=1, b=2, so on, so forth, xkcd would total 42.
A recent xkcd comic.
*Two guys riding on escalator*
1: This is a long escalator.
2: 70 meters. longest in the world.
1: Why are you carrying a chin-up bar
2: Why aren't you wearing a hat?
1: I'm not really a hat person.
2: And I'm not really a not-carrying-a-chin-up-bar person.
1: Seriously, why did you bring it?
2: How should I know? I'm not a psychologist.
*2 installs chin-up bar at waist height on the escalator*
ROLL-OVER TEXT: Those few who escaped found the emergency cut-off box disabled. The stampede lasted two hours and reached the bottom 3 times.