Ivan is 4 yrs old and was a owner surrender to a shelter after his owner could no longer care for him. Don't let hijs gray face fool you he is all pep and energy and wants to play. He is house trained and has his playful moments and the he also has a calm side he loves his people and can be a only dog or possibly go with a female large breed dog. Unknown on kids. 
www.azmastiffrescue.com