As any anime/manga fan knows, there is about a million ways of doing eyes. What is your favorite? Mine is ranma 1/2(Manga). Rumiko Takahashi has a way of using a simple design and doing so much with it. But I must also mention tohru's from fruit basket(Again, the manga). I love how the author does the cross hatching!
My favorite anime eyes are probably The melancholy of haruhi suzumiya off the top of my head. I probably have another I like better, but I can't think at the moment...