Poison Ivy by Bruce Timm
Batwoman, Wonder Woman, Supergirl, Catwoman, Harley Quinn, Poison Ivy, Raven, Ms. SHAZAM, Hawkgirl, Powergirl, Batgirl, Black Canary, Huntress, Zatanna, Big Barda! DC Heroes by Bruce Timm
Bruce Timm's rendition of Raven from Teen Titans. This man is a comic and art legend. Strong use of black and white.
Batman: The Animated Series - Poison Ivy
One of my all time favorites Mr. Freeze by Bruce Timm
Wonder Woman by comic_art_fan
The Joker by Bruce Timm (Also proof you're a 90's kid. You see this and think "Mark Hamill")
Batman - Bruce Timm, Colors: Tom Martin