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.
The character's origin story is as crazy as -- well, as she is. Quinn wasn't produced for a comic book. Instead, she debuted in the Joker's Favor episode of the children's television show Batman: The Animated Series.. Harley Quinn came about as sort of a happy accident, Paul Dini, Quinn's creator, told CNN.