Who is the character Vigo Tarasov, and what is his relationship to John Wick?

Vigo Tarasov is a fictional character and the main antagonist in the 2014 action-thriller film John Wick. He is a powerful and ruthless Russian crime lord who is the head of the Tarasov family, which is one of the most powerful and feared criminal organizations in New York City.

Vigo's relationship to John Wick is that he is the one who initially hires John Wick to kill his own son, Iosef Tarasov, for stealing John's prized car and killing his beloved dog. When John Wick refuses to sell the car to Iosef, he and his henchmen break into John's home, beat him unconscious, and kill his dog. This leads John Wick to seek revenge against Iosef and his father, Vigo Tarasov.

Vigo is portrayed by actor Michael Nyqvist in the film, and his performance was widely praised for his menacing presence and charismatic delivery. His character serves as the main villain in the film and provides a formidable obstacle for John Wick to overcome in his quest for revenge.