Vampire was a fanzine published by Joe Kennedy in the 1940s in the U.S.A.
Kennedy published the first issue of Vampire in 1945. This issue was. 5.5 X 8.5. The next eight issues were all 8.5 X 11, and produced by mimeograph. The final ninth issue appeared in 1947.
During this period, Vampire has been cited by writers and fan historians as being popular and a focal point of the period immediately following WWII. Perhaps it didn't hurt that Joe Kennedy was also a prolific letter writer to other zines.