Little is known about Gudra or Gundra past.
Gundra was created William Moulton Marston and Harry G. Peter.
Golden Age / Earth-Two
Gundra is an arch nemesis of Wonder Woman. She battled Wonder Woman for ownership of Steve Trevor who was in Valhalla.
The New 52 / Prime Earth:
Gundra has appeared in the Odyssey of the Aamzons, she is member of Valhalla.
Major Story Arcs
Golden Age / Earth-Two:
She was allied with the original Axis Amerika and was the Valkyrie that was originally called upon by Adolf Hitler to assassinate President Franklin D. Roosevelt. Her being called was the original inspiration of the formation of the JSA. She has been seen battling Wonder Woman in present times.
Powers and Abilities
Gundra has the powers of:
Hand to Hand Combatant