A few of my favorite fictional characters are Laura Croft Tomb Raider, Hermione Granger and Buffy the Vampire Slayer. And, oh yes, Kim Possible. What defines them? Strength, resilience, intelligence, a sense of humor, and complex motivation for their actions.
Read this challenge to writers to create characters who are multidimensional because the alternative is unlikely cardboard cutouts with an axe to grind.
Post 3 (or 4) of your favorite characters and why you like them.