8.) something abnormally large- Meet the World's Biggest Rabbit "Herman" This rabbit's name is Herman and he lives with his owner, Hans Wagner, in Berlin, Germany. German Giants are domestic rabbits. They do not exist in the wild and can live as long as 12 years. Herman can eat a bale of hay per week. He weighs in at 22 lbs and measures a little over 3 feet. Just a "Hare" bigger than all the rest of the bunnies.