Gustave is the name of a gigantic, male Nile crocodile living in Burundi, Africa. He is a notorious man-eater, who is rumored to have claimed as many as 300 victims from the banks of the Ruzizi River and the northern shores of Lake Tanganyika. Gustave is around 15 to 20 feet long and weighs up to one ton. Due to his colossal size and weight, he is virtually incapable of catching smaller prey like small mammals and fish, and so he hunts larger, heavier animals like wildebeest, humans and zebra. According to a park ranger, Gustave has even killed and eaten an adult hippopotamus, which would be able to bite a smaller crocodile in half.
Gustave was named by Patrice Faye, a French resident of Burundi and self-taught naturalist who has been pursuing the crocodile since 1998. Faye and a documentary team attempted to capture Gustave in 2002 using an enormous trap, but the crocodile not only avoided it, but seemed to taunt the team as well. The ill-fated attempt was detailed in a documentary titled Capturing the Killer Croc, which aired on PBS in May 2004. Gustave was sighted most recently in February 2008 by National Geographic sources. As of January 2009, Gustave still lives within the Ruzizi River area and is occasionally spotted by people, although no human fatalities have been officially attributed to him since his sudden notoriety.
- Gustave is the Main Antagonist in the movie, Primeval (originally titled Gustave). The movie follows a news team sent to Burundi to capture an exaggerated representation of Gustave.
- In the computer game, Wildlife Zoo; a campaign level requires the player to make Gustave happy and breed it with another Nile Crocodile.