I still play this guy, through different campaigns since my DM has them all in the same timeline. I'm really mixed ashamed/proud of him, because although he's had a lot of character development, he started out full of really bad cliches, and they've not gotten much better.
Basically, MY PARENTS ARE DEAAAD > Devil Possession by killer > childhood alone, to first incarnation. 3.0 Half-Elf Ranger/Ghostwalker. Oh yeah. He was THAT bad. His major exploits were almost being eaten by frost wolves, lighting fire to an orc camp, being raped in the butt by a black dragon after being turned into a woman (Long, horrible story that eventually got the interim DM thrown out), time-line shenanigans that brought him back to our 3.5 campaign. He then gets a magic scimitar named Anonymity, because his major shtick is his, well, anonymity, and his yin-yang mask. The scimitar was the DMs doing, though.
Alright, skipping ahead a bit, through more time-line shenanigans and psionics making a DRAMATIC ENTRANCE to the campaign to mess with things, my character is reborn again as a Soulknife/Hellreaver. This is his current incarnation.
His character development, though, has brought him from Chaotic Good to Chaotic Neutral to a brief Neutral Evil stint, and back to CG again. Long stories short, he quite literally goes insane dealing with party members (A 'Lawful Neutral' [Chaotic Random] Drunken Master DMPC, an evil fighter, and a Cleric that worshipped himself), and goes on a murdering spree, only to be shocked back to normal by several events.