Robin Williams' son has paid tribute to the late actor's "weirdness and extraordinary capacity to love" in honour of his 75th birthday. "I remember those wrinkles in the corners of your eyes, the kind you get from a lifetime of smiling. Meanwhile, Zak's sister Zelda has previously blasted "gross" AI videos of Robin and begged fans not to send them to her, insisting her dad wouldn't have wanted his likeness used in that way. She wrote on her Instagram Story: "Please, just stop sending me AI videos of Dad. Zelda described the videos as "over-processed hotdogs" made from "the lives of human beings".