Takeru looked at his doppelganger with a look of fierce determination.
"I am Takeru Kagemaru... and I... have no idea how to handle you, honestly... but that won't stop me from trying!"
Both Takeru's were prepared to fight, Takeru pulling out his sonic, his counterpart, his laser screwdriver...
Him: The 12th doctor.
His counterpart: The Master ("Missy").
They both yelled at the same time:
"This is where your story ends!"