For blue cats, the female cats can be called: Hannah, Qiuzi, Lucy, lamer, summer, etc.; the male cats can be called: Lu Yi, Yiluo, Pudding, Rose, Li Austria etc.
If you want a more foreign-style name, you should try to avoid the following names: Goudan, Baozi, porridge, fried dough sticks, beans, Diandian, Duoduo, etc., which are more commonly used and have no special characteristics.