Book Reports / Character study about Pere Ubu ; Need help with thesis statement [2]

Hi, i have to do a character study and write an essay. Its a play and the main character is Pere Ubu who is vulgar, gluttonous, rapacious, untrustworthy, greedy, sadistic, cowardly, and stupid. His actions are impulsive, and his speech is a mixture of vulgar expressions. How can i write a good thesis statement about this character. Please Help URGENT