Anna was the daughter of Abel and the sister of Elly and Sarah. She was the partner of Dan. She was the most respectful of Naiad traditions and had the least faith in Nick, saying that Grimms could not be trusted.
His full name was Daniel Hopkins, and he was the friend of Jake Barnes and the partner of Anna. He was drowned by Dominic.
He pulled Jake underwater in an attempt to drown him, but Elly saved his life. Later, he and Dominic walked over to the houseboat where Nick, Hank, and Wu were interviewing Abel Mahario after finding Jake's phone in his house. After the police left, he and Dominic confronted Abel about Elly saving Jake and said she needed to be cut. Later, he and Dominic knocked Jake out and kidnapped Elly. They brought her to the marina and held her underwater to try to get her to breathe and woge. Before they could cut her, Nick and Hank arrived. Hank subdued Jesse, and he and Dominic were arrested. It is unknown whether he is alive or not due to the fact that Naiads are unable to survive out of water for more than 24 hours.
His men found the body of Dan, and he briefed Nick and Hank.