Official Wallace & Gromit The World's Best Dad Father's Day Card Celebrate Father's Day with this Official Wallace & Gromit The World's Best Dad Father's Day Card. Wallace and Gromit are the main characters in a British series created by Nick Park of Aardman Animations. The cover of this Father's Day Card has the wording “To the World's Best DAD on Father's Day!"and the inside reads "Wishing you a Cracking Day!" There is plenty of space to write your own personal message in this card and an unsealed envelope is included. Official merchandisers of Wallace & Gromit products. Purchase by 2pm Monday to Friday and receive same day dispatch with shipping. Worldwide delivery is also available.