"When people go around and say, ‘You are black’—well, I don’t encourage it, but by the same token I don’t back off of it,” he says. “If you want to call me that, that’s fine. But, you know, in my whole family, there’s nobody I know who is black."
then this:
"Tirico’s parents, Donald and Maria, were separated when he was about 4, and he says he has since lost contact with his father’s side of the family. Tirico is an only child. Because of his dark skin and ethnic features, Tirico says, most people assume he is black. But he’s seen pictures of his father, his father’s mother and his father’s sister—all of whom are white, Tirico says."