In novels or anime, characters with high IQ usually had the following characteristics: 1. Intelligence: People with high IQ usually have extraordinary intelligence and knowledge reserves, and can quickly analyze and solve problems. 2. Strong logical thinking: People with high IQ usually have strict logical thinking and can derive complex conclusions. 3. Strong learning ability: People with high IQ usually have strong learning ability and can quickly master new knowledge and skills. 4. Strong reasoning ability: High IQ characters usually have excellent reasoning ability to discover seemingly impossible mysteries. 5. Strong judgment: People with high IQ usually have excellent judgment and can make wise decisions. In a novel or anime, a character with a high IQ could add a lot of interest and depth to the plot development, making it easier for readers or audiences to be attracted and moved by the character.