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

Josh the Congressional Aide: And as far as murder goes-
Danny Williams: Let me guess...he's completely against it?

Steve: Book Em' Danno
Danny: Back with that again?

Hawaii Five-0 Quotes

I'm sure this is about Grace and Will and I look forward with great anticipation to see how this plays out. We've got a case so if you wouldn't mind.

McGarrett

Josh the Congressional Aide: And as far as murder goes-
Danny Williams: Let me guess...he's completely against it?