Guinness: 3 months old, Male, Pit Bull mix What’s there not to love? Guinness is adorable, lovable, and ready to meet his new family! He’s a social boy with lots to learn about the world around him and what it’s like to live in a home. If you’re looking to start fresh with a clean slate, this is your boy! Guinness will likely be a large dog (60+ pounds) full grown, so be prepared for a quick growing puppy!