Batman Wiki
Batman Wiki

Katana is an orphaned sword-wielding martial artist/ master combatant who defends Gotham City since becoming Bruce Wayne/Batman's bodyguard and ally due to Alfred Pennyworth's recuperation; the latter being her godfather.


In the past, Tatsu Yamashiro was a covert CIA operative tasked with tracking down Ra's al Ghul and she joined the League of Assassins and there was known as "Katana". She later faked her death in a fire and disappeared with the Soultaker Sword, believing it to be too dangerous for either the League or the CIA to possess.

In "Hunted", Tatsu is hired by Alfred as a bodyguard for Bruce Wayne.

In "Safe" she is also tasked with protecting Dr. Jason Burr. 

In "Family", she passes Batman's final test and he reveals his identity to her.

In "Allies", she formally retakes the name 'Katana' as Batman's ally.

In "Control" it is revealed that she has mutual developed romantic feelings for Dr. Jason Burr.

Powers and Abilities

  • Master Hand-to-Hand Combatant
  • Expertise in Ninjitsu
  • Enhanced Agility
  • Enhanced Reflexes
  • Enhanced Balance


  • Katana: Katana primarily likes to wield her namesake in fights. She rarely wielded another weaponthe Soultaker Swordbecause she attempted to keep it hidden from the League of Assassins.


See Also