The 7th member of The Liberty Brigade is Mr. Freedom.
Formerly, the villain known as Boss Dark Eyes debuting in Four Favorites #13 (Ace Publications 1944), he was first shown stealing and slaughtering cattle by a single blow of his fist. He fell in love with Madame Death and together they fought Lash Lightning and Lightning Girl.
How and why did Dark Eyes decide to fight for America — read The Liberty Brigade #1!
(Mr. Freedom by Kevin West)