Billy was a character. During the Islanders Stanley Cup finals, he dared to whack the Great One when he wandered into Billy's crease. It caused a huge international incident. When Billy was interviewed, he accused Gretzky of basically diving. He said something like "if there was a fly on his leg, my stick wouldn't have killed it. "
This might be the weirdest photo shoot a hockey player ever engaged in: https://thescore.com/nhl/news/1417159