Welcome to MSS, Your source for information on Schlock Mercenary
All search terms are ANDed. to do a Not, put a - in front of the search term. Example: "Schlock Tagon -Ennesby" for all comics that contain Tagon and Schlock, but not Ennesby. Remember, it will also find strips where they are mentioned but do not appear.
You can also search the text of the comics. If you type "Ovalkwik Costclub" it will find all strips where both terms are mentioned.