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Judge: Who, sir, are you...?
William Shamspeare: William Shamspeare, My Lord. Alas, 'twas I, undone by these bitter events. I... am the victim!
~ William Shamspeare, in his introduction.

William Shamspeare, known as William Petensyin in Japanese, is an antagonist in the 2017 game The Great Ace Attorney: Resolve. He appears as an attempted victim of murder in the second case of the game "The Memoirs of the Clouded Kokoro".


Prior to the events of the case, Shamspeare was sent to prison for unknown reasons. He met Shelden, a convict who had been arrested for murder and robbery. Shelden ended up telling Shamspeare about the location of his stash of money, located in the apartment of John Garrireb.

After Shamspeare left prison, he decided to rent John's apartment. However, the room with the treasure was currently occupied by the art student Duncan Ross, and Shamspeare was forced to rent another room. He created a plan to scare away Ross by blowing into the gas pipes, causing his lights and stove to flicker. But this plan ended up causing Ross to asphyxiate from gas poisoning. Later, Ross's fiancé Olive Green would learn about this, and plot revenge.

Japanese student and writer Soseki Natsume would replace Ross. Shamspeare tried a similar method to scare away Natsume, causing him to believe that the apartment was cursed. One day, however, Shamspeare was poisoned, seemingly killed. However, he was found to have woken up later on.

Natsume was convicted for Shamspeare's attempted murder, but the real culprit was found to be Olive Green, angered at the murder of Ross. Both Green and Shamspeare ended up in jail for their respective murder attempts, though Shamspeare was also arrested for Ross' death. He never got to lay his hands of Selden's treasure.


Shamspeare was an arrogant and attention seeking man who believed himself to be far more talented than he was. He would often try to be in the spotlight, putting on theatrics as he did so.

While he was intelligent and well read, he was also cunning and unscrupulous, willing to poison others in order to gain access to a room he needed to be in to obtain wealth. His greed overruled his morals, and while he didn't initially set out to kill others, he had no remorse for the fact that he did.

He was also a hypocrite, being appalled that Olive Green would try to kill him, despite the fact he was responsible for her fiancé's death.


  • His name is a reference to his personality, being a crude replica of Shakespeare.
  • While Olive Green is technically the main culprit of the case, Shamspeare is far more of a threat and far less sympathetic.
  • William Shamspeare has a cameo appearance in the prior game, The Great Ace Attorney: Adventures, during the fourth case.


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