3.5, played a Rogue
The DM who thought that he was one hilarious dude threw a boss who controlled a swarm of burrowing insects at us, and I failed my spot check to notice one of the buggers getting into my skin. After three game days, my character was a living hive, and he exploded in a huge blood bath, sending 200 more of the things at my party.
3.5, friends Sorcerer
A friend named Frankie attacked a group of monkeys just because he felt like it. The monkeys got pissed off and started throwing their own crap at him, and with a Constitution of 8 plus a few good rolls later the Sorcerer was dead having choked on a well aimed piece of crap.
3.5, friends Warforged Ranger
Part of a chaotic campaign, the warforged ranger took the "adamantium armor" feat, so his body was made of a large chunk of that. It was unfortunate, because the rest of the party decided to part him out and sell the components...
On the plus side, he was worth some good money.