I've been working as a illustrator for about 3 years, but you don't need more than a couple of weeks to see almost every illustration style on the web. But from time to time a really interesting and fresh illustrator appear.
wolves by michalivan
Batman by Tony Daniel
Batman - Anthony Noble Really frickin cool fan art
Harley Quinn Print, Harley Quinn Batman villain art, Retro Super Hero Art, Dictionary print art
harley quinn watercolor art - Google Search
Suicide Squad Harley Quinn by WeijiC.deviantart.com on @DeviantArt