The orginal Grim Reaper (Nedor) is a public domain character: http://pdsh.wikia.com/wiki/Grim_Reaper
Edit: Ummm … just realised … this was my 666th post in the forums! Pretty spooky that just this character of all things turned up in that post, don’t you think?! (ﾉﾟοﾟ)ﾉ
