Sources:

Bogart – DC Challenge #8

Brando – America vs. the Justice Society #4

Burns – Simpsons Comics #90

Clooney – Amazing Fantastic Incredible: A Marvelous Memoir

Crosby – Sgt. Fury & His Howling Commandos #24

Nicholson – Spider-Man Sweet Charity

Pacino – Spider-Man Sweet Charity

Sinatra – Herbie #5

Walken – Flaming Carrot & Reid, World’s Toughest Mailman