Aleron seems to like Syndra in particular, you don't see too many other artists drawing her save for those big pictures where a bunch of champions are in it.
This is a late answer, but she wears extremely appealing clothing (form-fitting and strap-y), has flowing long white hair and the usual hourglass body, wears a sexy short skirt and sports thighhighs. Basically, she's evil Irelia but more revealing and curvaceous. She also has an excellent color scheme as was pointed out earlier.
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