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.
Ghost Clown
Best Scooby Doo Villain
for Best Scooby Doo Villain in Best and Worst of Villains
Suggested by matthewchadd
Which villain is very evil, and which ones are wimp villains.
