Aaron According to Baby Names, Aaron is a name with Hebrew roots that means "strong." Since your dog is a powerful and large breed, this is a great choice of name for him
Cleo According to Nameberry, Cleo is a Greek name that means "glory," and as such, it is an ideal choice for the name of your gloriously large canine companion
Angus According to Nameberry, "one strength" is the meaning of the Anglicized form of the name Angus. It will serve as a continual reminder for your canine companion to tap into his innate power.
Boris According to Baby Names, the name Boris has its roots in Slavic culture and can be translated to signify both "battle" and "fight." Even though your large dog is as lively and charming as any other
Maggie According to Baby Names, the English name Maggie means "pearl," and it is typically used as a short form for the name Margaret. However, the name Maggie can also be used on its own.
Ethan a. Ethan is a biblical name, and its meaning is "strong" or "firm," according to Disney Family. Ethan is more typically a human name, so if you want your dog to have a moniker that completely fits in with the rest of your family
Everett Everett is an excellent choice for a name for your large dog if he is the most courageous and well-behaved boy you know. According to Nameberry, this unusual name has the meaning "brave as a wild boar