Complex sentence: John Dugan (born 1940) is an American actor, best known for his role in "The Texas Chain Saw Massacre" (1974) and "Texas Chainsaw 3D" (2013) as "Grandpa Sawyer".
Split into simpler sentences: John Dugan (born 1940) is an American actor. He is best known for his role in "The Texas Chain Saw Massacre" (1974) and "Texas Chainsaw 3D" (2013) as "Grandpa Sawyer".