Is the singer of Hinder Henry Winkler son?

No, the singer of Hinder, Austin Winkler, is not the son of actor Henry Winkler. Austin Winkler is a musician known for his role as the lead vocalist of the rock band Hinder, while Henry Winkler is an iconic actor best known for his role as "The Fonz" on the television show "Happy Days." They share a last name but are not related.