Shut up with your... ideas I'll actually have to keep some of those in mind when I start my Avatar campaign (though having the elements to my advantage should actually prove to be useful for critical fail ideas). I don't make someone suffer for their first critical fail, but on the second one and on in a night I would try to come up with something.
As for "next characters", I think I'm going to talk to my DM about having my current Avenger either take a break or leave for good. Considering she's a follower of Levistus, leaving for good probably wouldn't be too hard. I ended up making a Longtooth Shifter Ranger the other day and I've wanted to try out a melee Ranger for a while now, among a Swordmage and Warlord. Ended up giving him two gauntlet handaxes and I'm just playing around with the idea of giving him a beast companion or not.