Who Is Tumbler? Origin, Powers and Key Facts

Tumbler is a Marvel comic book character, the alter ego of John Robert Keane, with over 28 comic issue appearances. John Robert Keane was the first Tumbler but was assassinated by the first Moonstone.

Who is Tumbler?

Origin John Robert Keane became a costume criminal acrobat named the Tumbler. He wanted to test himself against Captain America but was defeated. Sometime later he was hired by a Secret Empire member named Quentin Harderman to play an instrumental role in a plot to discredit Captain America. John Keane in his civilian clothing engaged Captain America in an exhibit hall with many witnesses. During the fight, the first Moonstone assassinated the Tumbler with a micro laser beam setting Captain America up for murder. Creation The Tumbler was created by Stan Lee and Jack Kirby in 1966 and first appeared in Tales Of Suspense #83. Powers and Abilities The Tumbler does not have any superhuman abilities but is in peak physical conditioning. He is a skilled acrobatic with extraordinary agility and reflexes.

Key facts

Tumbler is of human origin and first appeared in "Victory / Enter the Tumbler". The character is published by Marvel. With 28 recorded issue appearances, Tumbler ranks among the most featured characters in comics.