At just 3.5 years old, Leo the Mastiff is a beautiful mix of strength and sweetness. While he may look big and rugged at first glance, his true personality is all heart. After spending much of his life outdoors, Leo has made it clear that he much prefers the comforts of indoor living. His favorite place is a cozy bed where he can relax and feel safe. Leo has a calm and gentle nature. He enjoys walking alongside other dogs and makes a wonderful companion on quiet strolls. At home, he would likely be happiest as the only dog, soaking up all the love and attention, while still enjoying occasional walks with canine friends. This sweet boy also loves car rides and is always happy to join you on an adventure. When it is time to settle in, Leo is all about cuddles and being close to his person. Leo is looking for a home where he can fully enjoy the indoor life he loves, with someone who appreciates a loyal and affectionate companion. If you are ready to welcome a big, loving dog into your life, Leo is ready to meet you! Submit an application at athenshumane.org/adopt