Siamese: Siamese cats are known for their vocal and demanding nature. While not necessarily aggressive, they can be assertive in getting their needs met.
Bengal: Bengal cats are highly active and require lots of stimulation. Without proper exercise and mental engagement, they may exhibit aggressive or destructive behaviors.
Savannah: Savannah cats are a hybrid breed known for their wild appearance and playful nature. They need plenty of attention and exercise to prevent behavioral issues.
Sphynx: Sphynx cats are hairless and have high energy levels. They can become aggressive if they are not mentally and physically stimulated.
Oriental Shorthair: Like Siamese cats, Oriental Shorthairs are known for their vocal and active personalities. They can become agitated if bored or understimulated.
Manx: Manx cats are known for their taillessness or short tails. Some Manx cats may have a dominant or aggressive disposition.
Scottish Fold: Scottish Folds are known for their distinctive folded ears and friendly demeanor.