Tom Marvolo Riddle. (He-Who-Must-Not-Be-Named / Lord Voldemort)
Voldemort - in spite of his pure evil nature, Voldemort is still one of my favorite characters.
Ralph Fiennes as Lord Voldemort in Harry Potter and the Deathly Hallows: Part 2
A simple guide to Lord Voldemort's soul.
An AU version of what he could've been had things turned out differently. Art for Antediluvian Poet from ff.net - Gift for Tom Riddle's birthday - 31st December.
Voldemort by Thuddleston.deviantart.com on @DeviantArt
I might be insane for saying this, but I actually find Voldemort in his serpentine form mildly attractive. Of course, it doesn't compare to my mental image of him when he was younger and infinitely more handsome.