Callen is a unique and versatile name that carries a sense of strength and confidence. It can be used for both boys and girls, making it a gender-neutral choice that is trendy and modern. People with the name Callen are often seen as independent thinkers who are not afraid to stand out from the crowd. They are known for their creativity and ability to adapt to new situations with ease. Overall, Callen is a name that exudes charisma and charm, making it a popular choice for parents looking for a cool and contemporary name for their child.