Breed: Rottweiler Mix Gender: male Nickname: Sumo Age: 48 Years 11 Months Posted Breed: Rottweiler / Mixed. Hello there, my name is Sumo! Don't let the name fool you, I'm no wrestler, more of a big baby. I'm a sweet boy that loves a good run in the yard and to lay in the sunshine. I'm a little shy at first but once you give me the right treat, my little nub will wag for you forever. Come on dow...