Hayao Miyazaki - Nausicaa of the Valley of the Wind
Bill Waterson - Calvin and Hobbes
Glen Keane - All his Disney characters and animation
Juanjo Guarnido - Blacksad
Emmanuel Klotz, boards, Albert Pereira-Lazaro directed - Lascars
Toshihiro Kawamoto, designed, Shinichiro Watanabe, directed: - Cowboy Bebop
Enrico Marini - Scorpion
Belladona - Pierre Alary
And last, but obviously more likely most than least - Milt Kahl, the grandmaster of the Nine Old Men, who animated and designed so much of the first golden age of Disney films - his sensibilities were imprinted on me since I learned to hold a pencil.
There's so much great art out there, these things are so unfair. Anyway, that's it. If you haven't seen all of these for yourself - get a move on!