One of my old groups had a player who always wanted to play either an anti-paladin or an assassin character. He was like clockwork. And of course he would ALWAYS end up turning on us at the most inopportune time.

We ended up fighting our way into a young dragons lair. after dispatching the death lizard we started to pillage and plunder its hoard. Of course several of us went into different parts of the lair to explore.

And then it happened.

The strike we all knew would come. The anti-paladin struck my character from behind. Fortunately he didnt do much damage and I was able to call for help. The rest of the party arrived and we killed the anti-paladin.

The player was really upset with the fact that his plan/plot ended up turning against him. What really made him mad was what happened afterwards.

My character found a Staff capable of casting raise dead. We all stood around casting raise dead on the anti-paladin. This brought him back to life with 1hp and decreased his con score by 1. Of course we then killed him and repeated the process until he finally failed his system shock roll.

It was a waste of a perfectly good magic item, but it was a guilty pleasure. He deserved it.

We all had a laugh over it and he was so mad that he didnt play with our group any more.

I wouldn't call them memorable by any means, but I have had a couple characters end up dead in the course of a story or two.

The first was a rogue/ninja character I had made, my work schedule at the time however meant missing pretty much a month at a time, at which time I was content to allow another player to play my character to avoid being left behind and slaughtered by himself. Well during one such day that I had missed a session the guy who was playing my character decided my ninja would scout ahead, while walking down the middle of a path, not sneaking or hiding, and not even invisible. At which point he was ambushed by several poisoned blowdarts, the sneak attack damage alone was enough to kill him, but the poison ended up dropping my Con to 2 or something even if I had lived.

The other was my last character, a swordsage, who apparently decided to have a little too much free will. When asked by the self appointed party leader, a wicked cleric/warlock, if he would blindly follow orders and do only what would serve the party best my character in all his CN glory asked what exactly was being asked of him, refusing to answer the question without further information. Apparently this upset the cleric of Nerull, and he had our evil ranger friend scissor my head off with his twin katanas, and yes, the DM allowed this to happen, even when the good cleric (of Pelor) in the group decided to try and step in to help me he let them get away with threatening her life as well. I later learned he had put the warlock up to it since he did not like me playing a swordsage, and as such I left that game..