This Policeman is a male anthropomorphic dog.
A friendly, lenient sort of chap, this Policeman helped Donald Duck apprehend a pair of crooks during his brief 1962 return to Elm City, and instantly recognised him. He let Donald go on holiday with Huey, Dewey and Louie Duck, even though he could've Kind and Lenient.
Behind the scenes
The Policeman appears at the end of the 1962 comic story Business Before Pleasure.