PlayBoy? The little rabbit is the prototype of that logo. This kind of rabbit is called Lower? Keys? Marsh? Rabbit. Rosanna Tursi from the University of Central Florida recently found through a survey that the number of this kind of rabbits in the world may be less than 300. This kind of rabbit has black-brown fur and a white belly. It was first discovered in 1984 and was named after PlayBoy founder Hugh Hefner after Sylvilagus palustris hefneri (scientific name is Lower Keys Marsh Rabbit). . Therefore, PlayBoy designed its logo based on this rabbit.