the grandaddy of something idiom mainly US informal
老祖宗，祖师爷；同类中最大（或最重要、最有影响）的一个
the biggest, most important, or most powerful event or person of their type
"Modern Times" is a classic comedy starring Charlie Chaplin, the grandaddy of comic film actors. 《摩登时代》是一部经典喜剧片，主演是查理‧卓别麟，喜剧电影的鼻祖。