Vicious and cautious Giant Schnauzer puppies The Giant Schnauzer gets along great with familiar children, dogs, and other pets, but it is wary and cautious with people and animals it does not know. Giant Schnauzers are best behaved when given sufficient exercise and human companionship. The Giant Schnauzer may be too energetic to play with young children unsupervised. Pls call or text via: (xxx) xxx-xxx6