Danno is a fictional character from the television series Hawaii Five-0, which originally aired from 1968 to 1980 and was later rebooted in 2010. He serves as the loyal partner of Steve McGarrett, the head of a special police task force in Hawaii. Danno is known for his strong sense of justice and often provides a more cautious perspective compared to McGarrett's bold approach. In the reboot, Danno is portrayed by actor Scott Caan. His character is often depicted as a family man, balancing his duties as a police officer with his responsibilities as a father. Danno's dynamic with McGarrett adds humor and depth to the series, making him a beloved character among fans.