The third alphabet project I participated in and co-organized was called "Alphabooks". Cartoonists around the world posted a drawing each week on Tumblr of a literary character for every letter of the alphabet. These were my contributions.
April Wheel from Revolutionary Road
Big Brother from 1984
Cathy Ames from East of Eden
Dejah Thoris from The Princess of Mars
Eileen Wade from The Long Goodbye
Ford Prefect from A Hitchhiker's Guide to the Galaxy
Humbert Humbert from Lolita
The Imp (Tyrion Lannister) from Game of Thrones
Joe Kavalier from The Amazing Adventures of Kavalier and Clay
Kilgore Trout from Breakfast of Champions
This Lisbon Sisters from Virgin Suicides
Madame DeFarge from A Tale of Two Cities
Nakata from Kafka on the Shore
Owen Meany from A Prayer for Owen Meany
Pi from Life of Pi
Queen of Hearts from Alice in Wonderland
Rabbit Angstrom from Run, Rabbit, Run
Sasha from A Visit From the Goon Squad
Tyler Durden from Fight Club
Ulysses from The Odyssey
Valentine Michael Smith from A Stranger in a Strange Land