Rook Griswold, played by Judge Henry Dupree, is a character from the 1959 film The Killer Shrews.
Rook is the first mate to Captain Thorne Sherman on a boat to deliver supplies to a remote island.
Before long the island is overrun with bloodthirsty mutated shrews. While Sherman was barricaded in Dr. Marlowe Cragis' lab, Rook is killed and eaten by a band of feral shrews.