He is one of Taiwan's most famous comic strip creators and has invented such wonderfully humorous personalities as Ah-San and Big Auntie, as well as Robot and Whiz Kid. In addition, Liu has also patented more than 100 wonderful inventions.
從「阿三哥」、「大嬸婆」、「機器人」、「小聰明」等風靡海內外的詼諧漫畫起，一直到發明上百種專利事物，成為國人中擁有最多發明專利的個人，劉興欽有著我們扳著手指也數不完的卓然成就。