Callan is a Gaelic name that means "battle" or "rock." It has strong and rugged connotations, symbolizing resilience and determination. People with the name Callan are often seen as brave and fearless, always willing to stand up for themselves and others. Despite their tough exterior, they also possess a deep sense of loyalty and compassion towards their loved ones. Callan is a name that exudes strength and power, making it a popular choice for parents looking for a strong and impactful name for their child.