Worst Gimmick For Established Wrestler?

I was just going back on some old WWE stuff from 2002 with Tommy Dreamer when they gave him the MTV's “Jackass” show gimmick of being a guy who did disgusting things;  I.E.-Ate food off a dirty floor, drank water out of restroom urinals, etc.  That got me to thinking;  What was the worst gimmick given to an already established wrestler?  Certainly this nonsense with Dreamer back then had to be up there.  
I don’t know if Chris Jericho ever recovered from being Doink, according to Shawn Michaels.