Siamese: Siamese cats are known for their vocal and demanding nature. While they can be loving and social, they can also become agitated if they don't get the attention and mental stimulation they need.
Bengal: Bengal cats are active and playful, but they can be quite assertive and may display territorial behaviors if they feel their space is being encroached upon.
Savannah: Savannah cats are a hybrid breed known for their wild appearance. They may inherit some of the traits of their serval ancestors, including a more assertive and territorial nature.
Egyptian Mau: Egyptian Maus are known for their agility and athleticism. They can be reserved and cautious around strangers, which can sometimes be mistaken for aggression.
Oriental Shorthair: These cats are closely related to Siamese cats and share some of their vocal and assertive tendencies.
Persian: While Persian cats are typically calm and gentle, they can become stressed or irritable if their grooming and care needs aren't met.
Scottish Fold: Scottish Fold cats are known for their unique folded ears. While they are usually friendly and affectionate, some individuals may display territorial behaviors.