The Hidden Vampire!
In line with my co-conspirators/friends Chuck Wells and Karswell of Comic Book Catacombs and The Horrors Of It All respectively, here's a nifty little vampire story from Atlas Comics' Journey Into Mystery #21, January 1955, making it near the end of Atlas' pre-code horror comics.
Atlas Tales gives credit to Manny Stallman ? with a question mark. Whoever drew it, it's a well-done short.