yes, a liger and trainer doc antle and partner rajani have the biggest in the world. >> this is hercules tall. a guy began tick kid because he is a liger. father lion mother tiger, makes him -- >> reporter: father did a lion. mother is a tiger. >> makes him a liger. >> that's a good boy. >> reporter: for all you nonbelievers they really do exist. >> what are you drawing? >> a liger. >> reporter: as we learn from the film "napoleon dynamite." >> what's a liger? >> pretty much my favorite animal like a lion and tiger mixed. skills and magic. >> hercules. >> come on. >> come on hercules. >> you are ready. you must be hungry. >> stretch them out. >> reporter: hercules is skilled at, well eating. about 100 pounds of meat a day. but to see that muscled magnificent stretched out more than one story tall is magic, indeed. >> the "napoleon dynamite" made an awareness of ligers and made people have an interest in the natural world and made a un corporal come to life. >> reporter: unicorns are mythical but hybrids are very real. what is a mule if not a combination of the horse and dofk ki but a lig