Poll Suggestion: Forgotten Film-Noir Villains (?)

Continuing our tribute to the noir genre, here are some of the "other" memorable noir villains, from movies that didn't make it in the Top 250 or are more likely to be known by the noir aficionados.

Which of these forgotten or simply underrated film noir villains would you be most interested to discover?

http://www.imdb.com/list/ls066381844/

(like for the previous poll, to stay on the "noir" mood, no color or neo-Noir movies included)