Demonology 101

Demonology101 is an Urban Fantasy webcomic which ran from 1999 to 2004, and for some time held the distinction of being the longest completed online comic. It focuses on the day to day life and adventures of a demon named Raven, a foundling left for mysterious reasons with the secret society, Network, dedicated to fighting demons. Although her adoptive father, Gabriel, left the organization in hopes of giving her a normal life, Raven's heritage will not permit a quiet existence, and Gabriel's own past is starting to catch up with him...

This series provides examples of:

 * Awful Truth - Several.
 * Badass Normal - Almost all of the protagonists are completely normal humans, and the few that aren't aren't any more effective.
 * Deal With the Devil - The entire Jenner family, who are charged with acting as Hell's representatives on Earth.
 * Demonic Possession - Once. . Not implied to be possible for normal demons.
 * Evil Parents Want Good Kids -
 * Good Thing You Can Heal - Mr. Sachs gets stabbed an awful lot. No matter he's always trying to quit.
 * Half Human Hybrid - Subverted.
 * Heel Face Turn - Mr. Sachs.
 * Hey You Haymaker - John does this to Mr. Sachs.
 * Is That What He Told You
 * Luke I Am Your Father -
 * From a Certain Point of View - Poe calls Gabriel out on this in regards to Raven's origins.
 * Our Angels Are Different
 * Our Demons Are Different
 * Red Eyes Take Warning - Somewhat subverted. Raven has red eyes according to the author, though she isn't evil. Since the art is black and white it is unknown if other demons do.
 * Rousseau Was Right - There are some truly horrible characters, but despite talk of rules and lacking free will demons and damned humans can still choose to be good (and several turn at the end).
 * Tyke Bomb - Lacey.
 * Xanatos Gambit -