Guyvanho
Mobanza Mobembo Gérard (born c. 1985), known as Guyvanho, nicknamed the Butcher of Nouabalé Ndoki, is a Congolese convicted ivory trafficker and poacher. He was sentenced to thirty years in prison for poaching and attempted murder of park rangers, the first criminal sentence and the longest sentence a poacher received in the Republic of the Congo.