Karl Vreski was played by Alexander Godunov in the original Die Hard film.
He was a German thief and Hans Gruber's right-hand man. He was Tony's older brother that savagely attempted to kill John McClane many times to avenge his brother's life. He is the secondary antagonist in the film as well.
He was killed by Sergeant Al Powell, when he tried a last time to kill John McClane. He was also the last to die in the movie as well.