Mr. Clark

Mr. Clark is Lewis' father.

History
He was seen in church with his son and wife.

He and his wife were among the parents complaining at Springfield Elementary School.

Mr. Clark was seen with his wife at a restaurant with several knick-knacks on the walls.

Lewis' parents were seen in line for Bart's pregnancy voodoo, implying they want another child.

Lewis and his father went aboard The Relation Ship.

Non-canon
When Homer gave Nelson his role as bad news bearer, Nelson told Lewis his parents were getting divorced.