John Robert Keane

John Robert Keane is a fictional comic book costumed criminal known as the Tumbler. He appeared in titles published by Marvel Comics and is associated with the Captain America line of comic titles. He first appeared in Tales of Suspense #83 in November, 1966.

Abilities

 * Acrobatics: Running, jumping, flipping, rolling. You know how it goes. He's light on his feet.

Adversaries

 * Captain America, Steve Rogers
 * Moonstone, Lloyd Bloch
 * Secret Empire

Notes & Trivia



 * Final fate: Assassinated by Moonstone on orders of the Secret Empire.

Appearances

 * Captain America 112
 * Captain America 169
 * Captain America 171
 * Captain America 174
 * Captain America 291
 * Tales of Suspense 83