Eagle

Real Name: Captain Bill Powers
First Appearance: Science Comics #1 (1940)
Original Publisher: Fox Features
Created by: Lester Raye

Origin: 

Wealthy scientist and American patriot, Bill Powers first fought the Nazis as a spy and then put on a patriotic costume and battled them as the Eagle. He was assisted by his sidekick, Buddy.

The Eagle battled many foes, including the likes of the Beast, the Gimp and the Scarecrow. The Eagle was willing to kill his enemies if need be.

Powers and Abilities: 

At one time, he had wings and could fly. Later, he developed an anti-gravity solution which he soaked his cape in before every adventure. He also possessed great strength.

Public Domain Appearances: 

Science Comics #1-8

Weird Comics #8-20

Eagle #1-4