Webster Dictionary(0.00 / 0 votes)Rate this definition: 1  Illumination(noun) the act of illuminating, or supplying with light; the state of being illuminated. 2  Illumination(noun) festive decoration of houses or buildings with lights. 3  Illumination(noun) adornment of books and manuscripts with colored illustrations.
Harley Quinn Already Getting A Spinoff Movie, With An Important Twist. Harley Quinn has been a staple in DC Comics staple since she was introduced in Batman: The Animated Series, and this August, sheâs finally making her theatrical debut in Suicide Squad, played by Margot Robbie.
(And, if Harley's superfans are to be believed, sheâs even more of a feminist character than the venerable Amazon.) Here, then, is the strange, hidden story of Harley Quinn, the superhero worldâs most successful woman â who she is and how she came to be. Writer Paul Dini is credited as the creator of Harley, and that's technically true.