Sammy Markson is a deuteragonist in Ninja Cat and Mutt Man. He appears at the beginning of each episode until episode five, in which he is captured, and makes a comeback in episode twelve. At the beginning of the first strip, he was 36. By the end of Episode Three, he is 37.
Sammy is always upset when the conflict comes, but rarely devotes a newscast to the protagonists' victories.
Sammy is the fifth character who got introduced to the world of Ninja Cat and Mutt Man, preceded by the owner, Snuggle.