He has a strong character.

The main character embarked on a thrilling adventure through the mysterious lands.

That is a characteristic inherent in him.

It is characteristic of him to do such a thing.

During puberty, the development of secondary sex characteristics, such as breast growth in females and facial hair growth in males, occurs.

She characteristically arrives late to every meeting.

The author's characterisation of the protagonist is incredibly detailed.

His actions characterise his determination to succeed.