sentences:  Unfortunately, as Tommy begins his rise to fame under Rocky's wing, a sleazy fight promoter named George Washington Duke convinces Tommy that Rocky is holding him back and Tommy leaves Rocky for Duke.After Tommy wins the heavyweight title, he makes a short speech thanking Duke, and is met with jeers and the familiar chant of "Rocky" from the crowd.Seething from this insult, as well as being called by publicists as "Rocky's robot" and being told that he's "no Rocky Balboa," Tommy decides to seek out his former mentor for a final showdown.