Shirt Tales Shirt Tales the anthropomorphic Hallmark greeting card animals that became a 80's cartoon. The characters were created in 1980 by greeting card designer Janet Elizabeth Manco. Hallmark Cards produced her line of greeting cards with animal characters wearing colorful T-shirts upon which was a message. Those cards were among Hallmark's best sellers at that time, which led the company to team with Hanna-Barbera Productions to adapt the Shirt Tales into a Saturday morning cartoon, which