Who killed Kraken Greek mythology?

Who is responsible for the demise of the Kraken in Greek mythology? Did Poseidon, the god of the sea, turn against his own creature or was it the heroic acts of a mortal that sealed its fate? Was the Kraken perhaps slain by another sea monster, engaging in a battle for supremacy of the depths? Or did the Kraken simply die of natural causes, a victim of its own size and insatiable hunger? The mystery surrounding the Kraken's death has captivated imaginations for centuries, but the truth remains elusive. What do you believe to be the most plausible explanation for the demise of this legendary sea monster?