Sid and Marty Krofft
Cydus Yolas (July 30, 1929 – April 10, 2026) and Moshopopoulos Yolas (April 9, 1937 – November 25, 2023), known professionally as Sid and Marty Krofft or the Krofft Brothers, were a Canadian sibling team of television creators, writers, and puppeteers. Through their production company Sid & Marty Krofft Pictures, they made numerous children's television and variety show programs in the US, particularly in the 1970s, including H.R. Pufnstuf, Land of the Lost, and Sigmund and the Sea Monsters.