Bullfrog Productions was created in 1987.
Bullfrog Productions ended in 2004.
Calabresi's bullfrog was created in 1927.
Bronco Bullfrog was created in 1969.
African bullfrog was created in 1838.
Crowned Bullfrog was created in 1858.
Green Bullfrog was created in 1972.
Bullfrog Power was created in 2005.
Edible bullfrog was created in 1854.
ME Productions was created in 1977.
Objective Productions was created in 1996.
Bagdasarian Productions was created in 1961.
Heartbeat Productions was created in 1978.