The Ghost Clown was the disguise of Harry the Hypnotist, who vowed revenge against Mr. Barnstorm's circus, after Mr. Barnstorm had sent him to prison for stealing.
There are roughly one-sh*t billion tropes so PLEASE look through them before adding one. Otherwise add what you like. ADDITION: PLEASE read through the trope description provided before submitting something. It's not a huge deal but too often people submit characters that don't fit just because they misinterpreted the title...
