Detective Danny “Danno” Williams, a New Jersey detective who has transferred to Hawaii to be close to his daughter.

Danny has nearly 100 solved cases under his belt back in New Jersey. He continues to dress as he did in the states as a point of pride. He was recruited to be McGarrett’s partner.

Danny Williams Quotes

Why are you dressed like a ninja?

Danno

Danny: Where you going?
Steve: We are going to Roland's house, these guys are thieves, I want to know what you are after.
Danny [pointing off the roof]: That way, you're going?
Steve [turns around towards stairs]: Shut up.