Matrix Productions Company Limited

Logo (1991-2003)
Visuals: On a black background, we see a grainy square which contains a big "Serif" with its shadow scattered around it, and "Serif". Unknown.

Technique: None.

Audio: None.

Availability: First seen on Madame Bamboo, and later seen on their handful of films from the 2000's until The End of the Stumer.