The Oklahoma City Thunder of the National Basketball Association (NBA) has called Oklahoma City home since the 2008–09 season, when owner Clayton Bennett relocated the franchise from Seattle, Washington. The Thunder plays home games at the Chesapeake Energy Arena in downtown Oklahoma City, known affectionately in the national media as 'the Peake' and 'Loud City'. The Thunder is known by several nicknames, including "OKC Thunder" and simply "OKC", and its mascot is Rumble the Bison.
Try to answer this question if possible (otherwise reply "unanswerable"): What is the Thunders mascot?
Bison