Sid Krofft (born July 30, 1929) and Marty Krofft (born April 9, 1937) are a sibling team of television producers who were influential in children's television and variety show programs in the USA, particularly throughout the 1970s and early 1980s.They are largely known for a unique brand of ambitious fantasy programs, often featuring large-headed puppets, high-concept plots, and extensive use of low-budget special effects.