According to Wikipedia, there are four broad categories of "big cat". They're the big scary ones that still do silly stuff like clean themselves whenever they're not sleeping or hunting. Like regular cats. On steroids. So we have a lot of them, but the general four types are:
Tigers
https://7068-presscdn-0-62-pagely.ne...aining...O.jpg
Lions
https://www.planwallpaper.com/static...ith-family.jpg
Jaguars
http://www.universeofsymbolism.com/images/jaguars1.jpg
Leopards
http://s.ngm.com/2007/04/leopard-les...essons-615.jpg
Pick a favorite! ;)