1) Fictional warrior race 
The Kzinti (singular Kzin) are a fictional, very warlike and bloodthirsty race of cat-like aliens in Larry Niven`s Known Space series. The Kzinti were initially introduced in Niven`s story `The Warriors` (originally in Worlds of If (1966)) and `The Soft Weapon` (1967), both collected in Neutron Star (1968). A Kzin character, Speaker-to-Anima...