It's been pointed out to me that despite my name, I've never had an avatar on anything actually related to Death. So I'm giving this a shot now. How about a version of PF's Grim Reaper monster? He's kind of hard to find pictures of, so I ripped one from my Carrion Crown pdf here (I don't know why the background turned black, but at least he's easy to see):
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The little boxes and cages can all be omitted; I think they look stupid, although the hourglass is appropriate. Obviously anything else can be removed/changed/simplified at your discretion.
Special awesome thanks to anyone willing to take up my request!