Dagger is one of the main characters on the Warner Bros. Animation CGI series Spy vs. Spy (Australian and Canadian name Joke vs. Dagger.) His original name is White Spy.
Dagger wears a white plague doctor outfit. a white hat with a black stripe, and white pants with white shoes. His nose is long and pointed, and his eyes are black.
Dagger and Joke share an intense hatred for one another, since the entire race of White and Black Spies are at war. Although they're enemies for life, they do seem to have some aspect of respect for one another.